chore: setup project structure

crates/common/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "common"
+version.workspace = true
+edition.workspace = true
+publish.workspace = true
+
+[dependencies]
+gpui.workspace = true
+nostr-sdk.workspace = true
+
+anyhow.workspace = true
+itertools.workspace = true
+chrono.workspace = true
+smallvec.workspace = true
+smol.workspace = true
+futures.workspace = true
+reqwest.workspace = true
+log.workspace = true
+
+dirs = "5.0"
+nostr = { git = "https://github.com/rust-nostr/nostr" }