Feature: Init GitHub actions

- Added build job;
- Adjust push rule;

Author: OleksiiBulba

.github/workflows/main.yaml

@@ -1,5 +1,9 @@
 name: Main Ci/CD
-on: [push]
+on:
+  push:
+    branches-ignore:
+      - master
+      - develop
 jobs:
   tests:
     runs-on: ubuntu-latest
@@ -30,4 +34,15 @@ jobs:
         with:
           target: src/build/php/Dockerfile
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Get changed files
+        id: get_file_changes
+        uses: trilom/[email protected]
+      - name: Echo file changes
+        run: |
+          echo Changed files: ${{ steps.get_file_changes.outputs.files }}