Add configurable event publishing

Cargo.lock

@@ -160,8 +160,10 @@ dependencies = [
  "http",
  "log",
  "matrix-sdk",
+ "regex",
  "serde",
  "serde_json",
+ "serde_regex",
  "serde_yaml",
  "tokio",
  "warp",
@@ -1453,6 +1455,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_regex"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8136f1a4ea815d7eac4101cfd0b16dc0cb5e1fe1b8609dfd728058656b7badf"
+dependencies = [
+ "regex",
+ "serde",
+]
+
 [[package]]
 name = "serde_urlencoded"
 version = "0.7.1"