Update branch to main, add CI for PRs

.github/workflows/docker-ci.yml

@@ -0,0 +1,23 @@
+name: Docker Image CI on PR
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Vib
+      run: |
+        wget https://github.com/Vanilla-OS/Vib/releases/download/v0.2.10/vib
+        chmod +x vib
+        ./vib build recipe.yml
+
+    - name: Build the Docker image
+      run: docker image build -f Containerfile --tag vanillaos/core:validation .

.github/workflows/docker-image.yml

@@ -2,7 +2,7 @@ name: Docker Image CI
 
 on:
   push:
-    branches: [ "main", "ghcr" ]
+    branches: [ "main" ]
   workflow_dispatch:
 
 env:
@@ -36,6 +36,7 @@ jobs:
     - name: Build the Docker image
       run: podman image build -f Containerfile --tag vanillaos/pico:${{ github.ref_name }} .
 
+    # Push the image to Nexus (Image Registry)
     # - name: Push To Registry
     #   uses: redhat-actions/[email protected]
     #   with: