add: create user api

Cargo.lock

@@ -165,6 +165,28 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "axum-extra"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "460fc6f625a1f7705c6cf62d0d070794e94668988b1c38111baeec177c715f7b"
+dependencies = [
+ "axum",
+ "axum-core",
+ "bytes",
+ "cookie",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-body-util",
+ "mime",
+ "pin-project-lite",
+ "serde",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "axum-macros"
 version = "0.5.0"
@@ -415,6 +437,17 @@ dependencies = [
  "xdg",
 ]
 
+[[package]]
+name = "cookie"
+version = "0.18.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4ddef33a339a91ea89fb53151bd0a4689cfce27055c291dfa69945475d22c747"
+dependencies = [
+ "percent-encoding",
+ "time",
+ "version_check",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.7"
@@ -2006,6 +2039,7 @@ name = "tetratto"
 version = "0.1.0"
 dependencies = [
  "axum",
+ "axum-extra",
  "pathbufd",
  "rainbeam-shared",
  "rusqlite",