ci: add github workflow

Author: williarin

.github/workflows/ci.yml

@@ -0,0 +1,90 @@
+name: Stochastix UI CI/CD
+
+on:
+  push:
+    branches: [ master ]
+    tags:
+      - 'v*.*.*'
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test_and_build:
+    name: Test & Build
+    if: "!startsWith(github.ref, 'refs/tags/')"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+          cache: 'npm'
+
+      - name: Install Dependencies
+        run: npm install
+
+      - name: Generate Static Site (Build & Type Check)
+        run: npm run generate
+
+  release:
+    name: Create Release and Upload Artifact
+    if: "startsWith(github.ref, 'refs/tags/')"
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '24'
+          cache: 'npm'
+
+      - name: Install Dependencies
+        run: npm install
+
+      - name: Generate Static Site
+        run: npm run generate
+
+      - name: Get Version from Tag
+        id: get_version
+        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+
+      - name: Create Tarball Artifact
+        run: |
+          ARTIFACT_NAME="stochastix-ui-${{ env.VERSION }}.tar.gz"
+          tar -czvf $ARTIFACT_NAME -C ./.output/public .
+          echo "ARTIFACT_NAME=$ARTIFACT_NAME" >> $GITHUB_ENV
+
+      - name: Generate Changelog
+        id: changelog
+        uses: mikepenz/release-changelog-builder-action@v4
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Create GitHub Release
+        id: create_release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ env.VERSION }}
+          body: ${{ steps.changelog.outputs.changelog }}
+
+      - name: Upload Release Asset
+        uses: actions/upload-release-asset@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./${{ env.ARTIFACT_NAME }}
+          asset_name: ${{ env.ARTIFACT_NAME }}
+          asset_content_type: application/gzip