Start Python reimplementation. Added make_backup method

.gitea/workflows/backup.sh.yml

@@ -1,24 +0,0 @@
-name: backup.sh
-on:
-  push:
-    branches: [master]
-  workflow_dispatch:
-
-jobs:
-  bash:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install dependencies
-        run: |
-          apt update && apt -y install rsync tar openssl shellcheck
-      - name: Run ShellCheck
-        run: |
-          shellcheck backup.sh
-          shellcheck tests.sh
-      - name: Install using Makefile
-        run: |
-          make install
-      - name: Run unit tests
-        run: |
-          ./tests.sh I_HAVE_READ_THE_HELPER