It should be easier to add sources

[CrystalSplitter]

Currently, as far as I can tell, to add a new source on Fluentflame Reader, you have to:

1. Go Into Settings
2. Click the "Sources" tab
3. Add the exact feed url, and submit it

This is kinda silly for the most important user journey you can make.

I think we should have a separate modal window for "adding a source" that's very easily accessible.
The existing Settings source management I think can remain, but it should be

1. "Click here to add a source!"
2. "Paste a website link"
3. "We found 1 feed on this website, adding it now!"
4. (or if there's multiple feeds) "We found multiple feeds on this website, which do you want to add?"