chore: add semantic-release workflow and configuration

Added GitHub Actions workflow for automatic versioning and releases using semantic-release with Angular commit convention.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

.github/workflows/release.yml

@@ -0,0 +1,38 @@
+name: Release
+on:
+  push:
+    branches: [main]
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          persist-credentials: false
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 'lts/*'
+
+      - name: Install semantic-release
+        run: |
+          npm install -g semantic-release \
+            @semantic-release/commit-analyzer \
+            @semantic-release/release-notes-generator \
+            @semantic-release/changelog \
+            @semantic-release/github \
+            @semantic-release/git
+
+      - name: Release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: npx semantic-release

.gitignore

@@ -1,3 +1,4 @@
 *.json
+!.releaserc.json
 *.sum
 config/*

.releaserc.json

@@ -0,0 +1,39 @@
+{
+  "branches": ["main"],
+  "plugins": [
+    [
+      "@semantic-release/commit-analyzer",
+      {
+        "preset": "angular",
+        "releaseRules": [
+          {"message": "*#patch*", "release": "patch"},
+          {"message": "*#minor*", "release": "minor"},
+          {"message": "*#major*", "release": "major"},
+          {"type": "fix", "release": "patch"},
+          {"type": "feat", "release": "minor"},
+          {"type": "perf", "release": "patch"}
+        ]
+      }
+    ],
+    [
+      "@semantic-release/release-notes-generator",
+      {
+        "preset": "angular"
+      }
+    ],
+    [
+      "@semantic-release/changelog",
+      {
+        "changelogFile": "CHANGELOG.md"
+      }
+    ],
+    "@semantic-release/github",
+    [
+      "@semantic-release/git",
+      {
+        "assets": ["CHANGELOG.md"],
+        "message": "chore(release): ${nextRelease.version} [skip ci]\n\n${nextRelease.notes}"
+      }
+    ]
+  ]
+}