feat: add event layer

Signed-off-by: kjuulh <contact@kjuulh.io>

Cargo.lock

@@ -214,6 +214,17 @@ dependencies = [
  "regex-automata",
 ]
 
+[[package]]
+name = "bus"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b7118d0221d84fada881b657c2ddb7cd55108db79c8764c9ee212c0c259b783"
+dependencies = [
+ "crossbeam-channel",
+ "num_cpus",
+ "parking_lot_core",
+]
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -328,6 +339,15 @@ version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "19d374276b40fb8bbdee95aef7c7fa6b5316ec764510eb64b8dd0e2ed0d7e7f5"
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab3db02a9c5b5121e1e42fbdb1aeb65f5e02624cc58c43f2884c6ccac0b82f95"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-queue"
 version = "0.3.11"
@@ -758,6 +778,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "axum",
+ "bus",
  "clap",
  "dotenv",
  "serde",