ci: create releases on tags, builds on push and PR

.gitea/workflows/build.yaml

@@ -0,0 +1,21 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: debian-latest
+
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v4.1.2
+    - name: Install dependencies
+      run: bun install
+    - name: Build project
+      run: bun run build
+    - name: Archive production artifacts
+      uses: actions/upload-artifact@v3
+      with:
+        name: tf2wikipricing.user.js
+        path: |
+          dist/userscript/tf2wikipricing.user.js