refactor: build only one frappe/erpnext image (#1032)

* ci: skip frappe builds

* refactor: build only one frappe/erpnext image

* fix: lint nginx entrypoint script

* docs: update and organize docs

* docs: fix lint errors

* fix(custom): pass base64 encoded apps json

* ci: update dependabot

* docs: update contributing

* docs: remove info about multi image setup

* fix: initiate empty common_site_config.json

default config has host keys set to localhost
causes connection errors

* docs: add details for pwd volumes

* fix: symlink assets instead of copy

* fix: nginx private files

* ci: skip docker compose v2 install for ubuntu-latest

* fix: organize layers

* feat: allow remove git remote for custom image

* docs: allow remove git remote for custom image

* fix: remove duplicate --apps_path

.github/workflows/docker-build-push.yml

@@ -54,9 +54,6 @@ jobs:
         with:
           python-version: "3.10"
 
-      - name: Install Docker Compose v2
-        uses: ndeloof/install-compose-action@4a33bc31f327b8231c4f343f6fba704fedc0fa23
-
       - name: Install dependencies
         run: |
           python -m venv venv