Add custom slugs, restore UI, UTM builder, and CLI link tools

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2021"
 
 [dependencies]
 tokio = { version = "1", features = ["full"] }
-axum = { version = "0.7", features = ["macros"] }
+axum = { version = "0.7", features = ["macros", "multipart"] }
 axum-extra = { version = "0.9", features = ["cookie"] }
 rusqlite = { version = "0.31", features = ["bundled"] }
 serde = { version = "1.0", features = ["derive"] }