Github actions.

.github/workflows/lint.yml

@@ -0,0 +1,17 @@
+name: lint
+run-name: Installs project and runs linting
+on: [ push, pull_request ]
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 16, 18 ]
+    name: Linting on Ubuntu with Node ${{ matrix.node }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+      - run: npm install
+      - run: npm lint

.github/workflows/prettier.yml

@@ -0,0 +1,17 @@
+name: prettier
+run-name: Installs project and runs prettier checks
+on: [ push, pull_request ]
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 16, 18 ]
+    name: Prettier on Ubuntu with Node ${{ matrix.node }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+      - run: npm install
+      - run: npm run prettier:verify

.github/workflows/run-tests.yml

@@ -0,0 +1,35 @@
+name: run-tests
+run-name: Installs project and runs project tests
+on: [ push, pull_request ]
+jobs:
+  run-tests-nix:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 16, 18 ]
+    name: Tests on Ubuntu with Node ${{ matrix.node }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+      - run: npm install
+      - run: npm run test
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v3
+        with:
+          files: reports/coverage/*.json
+          flags: frontend,backend
+  run-tests-win:
+    runs-on: windows-latest
+    strategy:
+      matrix:
+        node: [ 16, 18 ]
+    name: Tests on Windows with Node ${{ matrix.node }}
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node }}
+      - run: yarn install
+      - run: yarn test