Add network configuration page - can activate/deactive authentication mechanism at landing page

Conflicts:
	src/main.py
Add network configuration page - can activate/deactive authentication mechanism at landing page

Conflicts:
	src/main.py
Revert support for custom domain
Fix routing path + render network description at landing page
Support older network that got no dedicated network DB table
Fix minor bugs with legacy networks
Fix coding style
Disable text selection highlighting on left sidebar and modal popup
Merge branch 'feature/network-settings' into develop

Conflicts:
	src/api.py
	src/main.py
	src/templates/home.html
	src/templates/landing_page.html
	src/templates/networks.html
Bugfix: Network Authentication Settings not working properly