add typescript plugin (todo: typecheck) and fix svg/mathml support

Author: easrng

Diff for: .prettierrc.cjs

@@ -0,0 +1,7 @@
+// @ts-check
+// match xo defaults
+/** @type {import("prettier").Config} */
+module.exports = {
+  singleQuote: true,
+  bracketSpacing: false,
+};

Diff for: .vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "typescript.tsdk": "node_modules/typescript/lib"
+}

Diff for: package.json

@@ -1,6 +1,6 @@
 {
   "name": "@easrng/elements",
-  "version": "0.1.12",
+  "version": "0.1.13",
   "description": "a tiny framework powered by @preact/signals-core",
   "license": "MIT",
   "type": "module",
@@ -25,6 +25,10 @@
     "./tiny": {
       "types": "./dist/tiny.d.ts",
       "default": "./dist/tiny.js"
+    },
+    "./typescript": {
+      "types": "./dist/typescript/index.d.ts",
+      "require": "./dist/typescript/index.js"
     }
   },
   "scripts": {
@@ -44,14 +48,17 @@
     "test:stream": "tsx ./tools/stream-test-node/index.ts --stdout | cmp - tools/stream-test-node/expected.txt && echo 'ssr (node + linkedom): all good'"
   },
   "files": [
-    "dist"
+    "dist",
+    "typescript"
   ],
   "dependencies": {
     "@preact/signals-core": "^1.7.0",
     "js-tokens": "^9.0.0",
-    "magic-string": "^0.30.10"
+    "magic-string": "^0.30.10",
+    "typescript-template-language-service-decorator": "^2.3.2"
   },
   "devDependencies": {
+    "@easrng/elements": "file:.",
     "@fastify/pre-commit": "^2.1.0",
     "@rollup/plugin-replace": "^5.0.7",
     "@rollup/plugin-terser": "^0.4.4",
@@ -68,6 +75,8 @@
     "linkedom": "^0.18.4",
     "memfs": "^4.9.3",
     "npm-run-all": "^4.1.5",
+    "p-limit": "^6.1.0",
+    "prettier": "^3.3.3",
     "pretty-bytes": "^6.1.1",
     "rolldown": "^0.12.2",
     "rollup": "^4.19.0",
@@ -77,7 +86,6 @@
     "vite": "^5.3.4",
     "webpack": "^5.93.0",
     "xo": "^0.59.0",
-    "p-limit": "^6.1.0",
     "zx": "^8.1.4"
   },
   "author": "easrng",