Add maud for frontend and move api to sub module

Cargo.lock

@@ -258,6 +258,7 @@ dependencies = [
  "chrono",
  "dotenvy",
  "feed-rs",
+ "maud",
  "reqwest",
  "serde",
  "serde_with",
@@ -950,6 +951,30 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
 
+[[package]]
+name = "maud"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0bab19cef8a7fe1c18a43e881793bfc9d4ea984befec3ae5bd0415abf3ecf00"
+dependencies = [
+ "axum-core",
+ "http",
+ "itoa",
+ "maud_macros",
+]
+
+[[package]]
+name = "maud_macros"
+version = "0.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0be95d66c3024ffce639216058e5bae17a83ecaf266ffc6e4d060ad447c9eed2"
+dependencies = [
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "md-5"
 version = "0.10.5"