adding the started channel and receiving in a blocking fashion meant the
program flow never got to blocking on the quit channel after setting up
signal intercepts. this commit turns the blocking receive on `started`
to a non-blocking one.
* let the settings struct be the single source of truth
* rm app fields that are covered by settings
* pass around a pointer to settings instead of config
* consolidate config+flags into settings on start-up
* update tests
* rm empty settings.go file
fixes#4
* add log messages telling the user what went wrong if the app fails to
start
* improve existing log messages
* cleanup: close channels when exiting
* cleanup: stop listening for signals when exiting
* add handlers for signin,singup,logout...
* introduce ent ORM and add user schema
* add live mode, devel mode to selectively turn on features via
config/flags
* add templates, handle embedding moar smarter:
* live mode uses live folder structure, else embedded templates are
used
* start using tailwindcss to style stuff
* add development goodies for hot-reloading (browser-sync - bs.js)
* pimp-up config.dhall with actual custom config Type (enables remote
schema and local values only as needed)
* add justfile (alternative to makefile for process automation)
