refactor: replace automated CI backup workflow with manual installation and sync scripts

.forgejo/workflows/backup-to-s3.yml

@@ -1,20 +0,0 @@
-name: Scheduled S3 Code Backup
-on:
-  schedule:
-    # This cron expression means "At minute 0 past every 3rd hour"
-    - cron: '0 */3 * * *'
-  # It's also helpful to include workflow_dispatch so you can trigger it manually if needed
-  workflow_dispatch: 
-jobs:
-  backup-code:
-    runs-on: ubuntu-latest
-    container: node:22
-    steps:
-      - name: Checkout Code
-        uses: actions/checkout@v3
-      - name: Install AWS CLI
-        run: |
-          apt-get update && apt-get install -y awscli
-      - name: Sync entire repository to S3 Backup Bucket
-        run: |
-          aws s3 sync . s3://forgeocodespace --delete

installation.sh

@@ -0,0 +1,4 @@
+curl "https://awscli.amazonaws.com/awscli-exe-linux-aarch64.zip" -o "awscliv2.zip"
+sudo apt install -y unzip
+unzip -o awscliv2.zip
+sudo ./aws/install --update

syncscript.sh

@@ -0,0 +1 @@
+sudo aws s3 sync /var/lib/docker/volumes/forgeo_forgejo-data/_data/git/repositories/vignesh s3://forgeocodespace --delete --region ap-south-2