[refactor] removed analytics, config, and modular crates to simplify the codebase and streamline architecture

backend-rust/crates/api/Cargo.toml

@@ -11,6 +11,8 @@ once_cell = { workspace = true }
 toml = { workspace = true }
 tracing = { workspace = true }
 async-trait = "0.1.89"
+axum = { workspace = true }
+sqlx = { workspace = true, features = ["sqlite"] }
 
 [features]
 default = []