feat: add build workflow (#22)

Author: xBlaz3kx

.github/workflows/build.yaml

@@ -0,0 +1,43 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+      - master
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+  pull_request:
+    types: [opened, synchronize]
+    branches:
+      - main
+      - master
+    paths-ignore:
+      - 'docs/**'
+      - '*.md'
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: build/Dockerfile
+          push: false
+          cache-from: type=gha
+          cache-to: type=gha,mode=max