Better AI provider settings configuration

[NaMarrado]

In settings -> providers
Would appreciate buttons for editing each configuration in the UI instead of having to go the files themselves. With active refresh so when the change saves i you dont have to restart the app. Also a delete button for providers like Deepseek, because some like OpenAI have logout button, but you cant edit a few other ones.

Another thing is the login button and add key button, which should both have the same width so it looks more appealing :)

Also another thing, replacing the emojis at the top with some custom simple ones from a react library would make them more appealing as well

And aligning the buttons like this

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[ericdallo]

Thanks! will take a look at those improvements, all of them are related to eca-webview so I'm moving the issue to there

[zikajk]

@ericdallo My bad, I told @NaMarrado that this might need more changes and so he should add it here.

[ericdallo]

Np!