chore: rewrite the backend (not tested) (#203)

* wip: refactor

* refactor

* clean up

* .

* rename

* add relay auth

* .

* .

* optimize

* .

* clean up

* add encryption crate

* .

* .

* .

* .

* .

* add encryption crate

* .

* refactor nip4e

* .

* fix endless loop

* fix metadata fetching

crates/relay_auth/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "relay_auth"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+state = { path = "../state" }
+settings = { path = "../settings" }
+common = { path = "../common" }
+theme = { path = "../theme" }
+ui = { path = "../ui" }
+
+gpui.workspace = true
+nostr-sdk.workspace = true
+
+anyhow.workspace = true
+smallvec.workspace = true
+smol.workspace = true
+log.workspace = true