feat: add PR workflow, dependabot, misc

Signed-off-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

.gitattributes

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+# Ref: https://git-scm.com/docs/gitattributes
+* text=auto eol=lf

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "monthly"

.github/workflows/vib-pr.yml

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+name: Vib PR
+
+on:
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - uses: vanilla-os/vib-gh-action@v0.3.3-1
+      with:
+        recipe: 'recipe.yml'
+        plugins: 'Vanilla-OS/vib-fsguard:v1.2-1'
+
+    - name: Build the Docker image
+      run: docker image build -f Containerfile --tag testing .
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: Containerfile
+        path: Containerfile

README.md

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+# Custom Vib Image
+
+This template repository is a starting point for creating custom Vib images.