feat(app): Added sidebar navigation and new page routes

- Added Nodes and Settings page routes
- Updated component import paths
- Imported database connection dependencies

src-tauri/Cargo.toml

@@ -22,4 +22,6 @@ tauri = { version = "2", features = [] }
 tauri-plugin-opener = "2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
+sea-orm = { version = "2.0.0-rc", features = [ "sqlx-sqlite", "runtime-tokio-native-tls", "macros" ] }
+once_cell = "1.21.3"