Remove CI workflow and instructions documentation files

.github/workflows/ci.yml

@@ -1,57 +0,0 @@
-name: CI
-
-on:
-  pull_request:
-    branches: ["develop"]
-
-jobs:
-  backend-test:
-    name: Backend Tests
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: backend
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          java-version: "21"
-          distribution: temurin
-          cache: gradle
-
-      - name: Make Gradle wrapper executable
-        run: chmod +x gradlew
-
-      - name: Run tests
-        run: ./gradlew test --no-daemon
-
-      - name: Upload test results
-        if: always()
-        uses: actions/upload-artifact@v4
-        with:
-          name: backend-test-results
-          path: backend/build/reports/tests/
-
-  frontend-test:
-    name: Frontend Tests
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: frontend
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up Node 20
-        uses: actions/setup-node@v4
-        with:
-          node-version: "20"
-          cache: npm
-          cache-dependency-path: frontend/package-lock.json
-
-      - name: Install dependencies
-        run: npm ci
-
-      - name: Run tests
-        run: npm run test