initializing the code rules

GITEA.md

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+# Gitea
+
+Gitea runner's function exactly the same as GitHub runners. They're just stored in the .gitea folder instead of .github folder.
+
+## Ramblingcoder Gitea
+
+There is a private Gitea repository that docker images are pushed too. This is an example of a gitea action that creates and pushes an image.
+
+The image `gitea-runner-custom-image` has docker and docker-compose pre-installed.
+
+```yaml
+name: Build and Push Docker Image
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    container:
+      image: git.ramblingcoder.com/ramblingcoder/gitea-runner-custom-image:latest
+      credentials:
+        username: ${{ secrets.GIT_USERNAME }}
+        password: ${{ secrets.GIT_PASSWORD }}
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Login to Docker Registry
+        uses: https://git.ramblingcoder.com/Mirror.Actions/docker-login-action@v3
+        with:
+          registry: git.ramblingcoder.com
+          username: ${{ secrets.GIT_USERNAME }}
+          password: ${{ secrets.GIT_PASSWORD }}
+
+      - name: Build Image
+        run: |
+          docker build -t git.ramblingcoder.com/ramblingcoder/REPLACETHIS -f docker/Dockerfile .
+
+      - name: Push Image
+        run: docker push git.ramblingcoder.com/ramblingcoder/REPLACETHIS
+```