ci: add a workflow to publish the component to ESP component registry

.github/workflows/publish.yml

@@ -0,0 +1,21 @@
+---
+
+name: Push component to https://components.espressif.com
+on:
+  push:
+    tags:
+      - v*
+jobs:
+  upload_components:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: "recursive"
+      - name: Upload component to the component registry
+        uses: espressif/upload-components-ci-action@b78a19fa5424714997596d3ecffa634aef8ae20b
+        with:
+          name: "esp_wireguard"
+          version: ${{ github.ref_name }}
+          namespace: "trombik"
+          api_token: ${{ secrets.IDF_COMPONENT_API_TOKEN }}

idf_component.yml

@@ -0,0 +1,5 @@
+---
+version: "0.9.0"
+description: WireGuard Implementation for ESP-IDF
+url: https://github.com/trombik/esp_wireguard
+license: BSD-3-Clause