Migrate script_for_github_actions.sh to uv/systemd deployment

[Copilot]

The install.sh script was updated to use uv, systemd, gunicorn, and bd_settings.cfg, but script_for_github_actions.sh still used the old pip/virtualenv, supervisor, uwsgi, and split config files.

Changes

Package management

• Replaced virtualenv setup with uv sync
• Changed to snap-based installation for node and astral-uv

Configuration

• Unified config writes to /srv/BuildingDepot/configs/bd_settings.cfg (was cs_config/ds_config)
• Updated directory from /srv/buildingdepot to /srv/BuildingDepot

Service management

• Replaced supervisor with systemd service files (bd-central, bd-data, bd-replica)
• Removed uwsgi configuration (gunicorn now handled by systemd ExecStart)
• Changed service control from supervisorctl to systemctl

Deployment functions

• Consolidated deploy_centralservice() and deploy_dataservice() into single deploy_services()
• Removed setup_venv() and deploy_config() functions

Test compatibility

• Kept setup_bd.py "test" argument (vs "install") to generate test credentials for CI

Net change: -61 lines (20% reduction)

Original prompt

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This section details on the original issue you should resolve

<issue_title>Fix script_for_github_actions.sh script</issue_title>
<issue_description>The install.sh script was recently updated to change a few parts of the deployment

• config file location (now using bd_settings.cfg)
• systemd not supervisorctl
• uv and not pip
• gunicorn and not uwsgi

The script_for_github_actions.sh script is somewhat similar, but with more hardcoded variables for the github actions deployment. This script should be fixed to use the new installation method.</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Fix script_for_github_actions.sh script #124

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