Add SEO CI and fix issues

.codespellrc

@@ -0,0 +1,2 @@
+[codespell]
+skip = *.svg,*.pl.md,themes/3mbed/assets/*.js

.conform.yaml

@@ -0,0 +1,16 @@
+---
+policies:
+  - type: commit
+    spec:
+      header:
+        length: 80
+        imperative: false
+        invalidLastCharacters: .
+      body:
+        required: false
+      dco: true
+      gpg:
+        required: true
+      spellcheck:
+        locale: US
+      maximumOfOneCommit: false

.github/workflows/build.yml

@@ -1,3 +1,4 @@
+---
 name: Build news-and-ideas
 on:
   push:
@@ -68,4 +69,3 @@ jobs:
           FTP_PASSWORD: ${{ secrets.FTP_PASSWORD }}
           FTP_DOMAIN: ${{ secrets.FTP_DOMAIN }}
         run: cd ${GITHUB_WORKSPACE}/scripts && bash deploy.sh
-

.github/workflows/seo.yml

@@ -0,0 +1,104 @@
+---
+name: SEO CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+      - develop
+
+jobs:
+  linkChecker:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Link Checker
+        id: lychee
+        uses: lycheeverse/[email protected]
+        with:
+          fail: true
+          args: |
+            --max-concurrency 20 --max-redirects 10 -a 403,429,500,502,503,999 .
+
+  seo_spy_orphan_pages:
+    runs-on: ubuntu-latest
+    name: Check orphan pages
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+
+      - name: Checkout SEO Spy
+        uses: actions/checkout@v3
+        with:
+          repository: 3mdeb/seo-spy
+          path: seo-spy
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: '3.9'
+
+      - name: Install Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r seo-spy/requirements.txt
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          extended: true
+
+      - name: Serve site
+        run: |
+          npm install postcss-cli
+          hugo -s blog/
+          hugo serve -s blog/ -b http://localhost:1313 --bind=0.0.0.0 &
+
+      - name: Check orphan pages
+        uses: 3mdeb/seo-spy-action@main
+        with:
+          domain: 'http://localhost:1313'
+
+  seo_spy_canonical_links:
+    runs-on: ubuntu-latest
+    name: Check canonical links
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+        with:
+          submodules: true
+
+      - name: Checkout SEO Spy
+        uses: actions/checkout@v3
+        with:
+          repository: 3mdeb/seo-spy
+          path: seo-spy
+
+      - uses: actions/setup-python@v3
+        with:
+          python-version: '3.9'
+
+      - name: Install Dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r seo-spy/requirements.txt
+
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v2
+        with:
+          extended: true
+
+      - name: Serve site
+        run: |
+          npm install postcss-cli
+          hugo -s blog/
+          hugo serve -s blog/ -b http://localhost:1313 --bind=0.0.0.0 &
+
+      - name: Check canonical links
+        uses: 3mdeb/seo-spy-action@main
+        with:
+          domain: 'http://localhost:1313'
+          args: '-c'

.lycheeignore

@@ -0,0 +1,8 @@
+.Permalink
+themes/3mdeb/layouts
+[email protected]
+https://www.embedded-world.de/
+https://www.paypal.com/cgi-bin/webscr
+https://www.aliexpress.com
+https://twitter.com
+localhost:1313

.markdown.yaml

@@ -0,0 +1,41 @@
+---
+# MD013/line-length - Line length
+MD013:
+  # Number of characters for code blocks
+  code_block_line_length: 400
+  tables: false
+
+
+# MD041/first-line-heading/first-line-h1 - First line in a file should be a top-level heading
+MD041:
+  # Heading level
+  level: 1
+  # RegExp for matching title in front matter
+  front_matter_title: "^\\s*title\\s*[:=]"
+
+# MD042/no-empty-links - No empty links
+MD042: true
+
+# MD046/code-block-style - Code block style
+# MD046: Rule temporarily disabled, it prevents new tabs from being formatted
+# correctly - eg. docs/unified/novacustom/overview.md:9
+# Block style
+# style: "fenced"
+
+# MD047/single-trailing-newline - Files should end with a single newline character
+MD047: true
+
+# MD048/code-fence-style - Code fence style
+MD048:
+  # Code fence style
+  style: "backtick"
+
+# MD049/emphasis-style - Emphasis style should be consistent
+MD049:
+  # Emphasis style should be consistent
+  style: "underscore"
+
+# MD050/strong-style - Strong style should be consistent
+MD050:
+  # Strong style should be consistent
+  style: "asterisk"

.pre-commit-config.yaml

@@ -0,0 +1,61 @@
+# See https://pre-commit.com/hooks.html for more hooks
+---
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: check-symlinks
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: mixed-line-ending
+
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.32.0
+    hooks:
+      - id: yamllint
+        args: [-c=.yamllint]
+
+  - repo: https://github.com/igorshubovych/markdownlint-cli
+    rev: v0.35.0
+    hooks:
+      - id: markdownlint
+        args: [-c.markdown.yaml]
+      - id: markdownlint-fix
+        args: [-c.markdown.yaml]
+
+  - repo: https://github.com/talos-systems/conform
+    rev: v0.1.0-alpha.27
+    hooks:
+      - id: conform
+        stages:
+          - commit-msg
+
+  - repo: https://github.com/codespell-project/codespell
+    rev: v2.2.4
+    hooks:
+      - id: codespell
+        args: [
+          -L,
+          'ser,exite,lew,isplay,erro,hart,hve,som,gir,\
+          synopsys,uests,datas,synopsys,tung,ot,hda,parm'
+        ]
+
+  - repo: local
+    hooks:
+      - id: double_slashes_url_external
+        name: Check double slashes in external URLs
+        entry: https?:\/\/[^\s]*(?<!http:)((?<!https:)\/\/).*
+        language: pygrep
+        exclude: '^.*.(jpeg|jpg|png|pdf)$'
+      - id: double_slashes_url_markdown
+        name: Check double slashes in markdown URLs
+        entry: (^[^\s]*\:\s|]\()[^\s)]*(?<!git:)((?<!http:)((?<!https:)\/\/))
+        language: pygrep
+        exclude: '^.*.(jpeg|jpg|png|pdf)$'
+
+ci:
+  autoupdate_commit_msg: 'pre-commit: autoupdate hooks'
+  autofix_prs: false

.yamllint

@@ -0,0 +1,16 @@
+---
+extends: default
+
+rules:
+  comments:
+    require-starting-space: true
+    ignore-shebangs: true
+    min-spaces-from-content: 2
+  document-start:
+    present: true
+    level: error
+  indentation:
+    spaces: 2
+  line-length: disable
+  truthy:
+    check-keys: false