Merge a few relay fixes from ken

Pick a few fixes from #380

Link: https://github.com/damus-io/notedeck/pull/380

Ken Sedgwick (5):
      build: Cargo.lock updates to mitigate num_enum_derive problem
      add .rustfmt.toml to specify edition
      Fix parsing of subscription id for RelayMessage::Event
      Skip adding relays that are already in the pool
      canonicalize relay urls to avoid false duplicates

Cargo.lock

@@ -1271,6 +1271,7 @@ dependencies = [
  "serde_derive",
  "serde_json",
  "tracing",
+ "url",
 ]
 
 [[package]]
@@ -2741,7 +2742,7 @@ version = "0.5.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dcbff9bc912032c62bf65ef1d5aea88983b420f4f839db1e9b0c281a25c9c799"
 dependencies = [
- "proc-macro-crate 1.3.1",
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
  "syn 1.0.109",
@@ -2753,7 +2754,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "96667db765a921f7b295ffee8b60472b686a51d4f21c2ee4ffdb94c7013b65a6"
 dependencies = [
- "proc-macro-crate 1.3.1",
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
  "syn 2.0.77",
@@ -2765,7 +2766,7 @@ version = "0.7.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "af1844ef2428cc3e1cb900be36181049ef3d3193c63e43026cfe202983b27a56"
 dependencies = [
- "proc-macro-crate 3.2.0",
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
  "syn 2.0.77",
@@ -3166,15 +3167,6 @@ dependencies = [
  "toml_edit 0.19.15",
 ]
 
-[[package]]
-name = "proc-macro-crate"
-version = "3.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ecf48c7ca261d60b74ab1a7b20da18bede46776b2e55535cb958eb595c5fa7b"
-dependencies = [
- "toml_edit 0.22.20",
-]
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.86"
@@ -4452,7 +4444,7 @@ dependencies = [
  "serde",
  "serde_spanned",
  "toml_datetime",
- "toml_edit 0.22.20",
+ "toml_edit 0.22.21",
 ]
 
 [[package]]
@@ -4477,9 +4469,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.22.20"
+version = "0.22.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "583c44c02ad26b0c3f3066fe629275e50627026c51ac2e595cca4c230ce1ce1d"
+checksum = "3b072cee73c449a636ffd6f32bd8de3a9f7119139aff882f44943ce2986dc5cf"
 dependencies = [
  "indexmap",
  "serde",