adds git workflow for testing on PR and push master

.github/workflows/checks.yml

@@ -0,0 +1,31 @@
+name: building, linting, testing
+on:
+  push:
+    branches: [ tests/ci/git_checks_before_merge ]
+  pull_request:
+    branches: [ master ]
+jobs:
+  pipeline:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [ 18.x ]
+
+    steps:
+      - uses: actions/checkout@v2
+      - name: Staring Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - name: install modules
+        run: npm install
+      - name: build production project
+        run: npm run build:prod
+        if: always()
+      - name: linting typescript & css
+        run: npm run lint
+        if: always()
+      - name: build storybook
+        run: npm run storybook:build
+        if: always()
+