Lots of refactoring, mostly to figure out how Axum works, tbh

Cargo.lock

@@ -636,6 +636,7 @@ dependencies = [
  "dotenvy",
  "ed25519-dalek",
  "hex",
+ "hyper",
  "opentelemetry",
  "opentelemetry-jaeger",
  "serde",
@@ -643,6 +644,7 @@ dependencies = [
  "sqlx",
  "time",
  "tokio",
+ "tower",
  "tower-http",
  "tracing",
  "tracing-loki",
@@ -695,6 +697,16 @@ dependencies = [
  "hashbrown",
 ]
 
+[[package]]
+name = "hdrhistogram"
+version = "7.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f19b9f54f7c7f55e31401bb647626ce0cf0f67b0004982ce815b3ee72a02aa8"
+dependencies = [
+ "byteorder",
+ "num-traits",
+]
+
 [[package]]
 name = "heck"
 version = "0.4.1"
@@ -2135,9 +2147,14 @@ checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
 dependencies = [
  "futures-core",
  "futures-util",
+ "hdrhistogram",
+ "indexmap",
  "pin-project",
  "pin-project-lite",
+ "rand",
+ "slab",
  "tokio",
+ "tokio-util",
  "tower-layer",
  "tower-service",
  "tracing",