Initialize project with basic structure, including Docker configuration, backend and frontend setup, environment configuration, and essential files for development.

.github/workflows/ci.yml

@@ -0,0 +1,51 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  backend:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: backend
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: backend/go.mod
+          cache-dependency-path: backend/go.sum
+      - run: go test -race ./...
+      - run: go vet ./...
+
+  frontend:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: frontend
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: npm
+          cache-dependency-path: frontend/package-lock.json
+      - run: npm ci
+      - run: npm run lint
+      - run: npm run typecheck
+      - run: npm test
+      - run: npm run build
+
+  compose:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: >
+          DISCORD_CLIENT_ID=test
+          DISCORD_CLIENT_SECRET=test
+          docker compose --env-file .env.example config --quiet