Add 'contact' to Config and NIP-11 output

sample/sample.config.ron

@@ -5,8 +5,9 @@ FriendlyConfig(
     use_tls: false,
     certchain_pem_path: "tls/fullchain.pem",
     key_pem_path: "tls/privkey.pem",
-    name: None,
-    description: None,
+    name: Some("Chorus Sample"),
+    description: Some("A sample run of the Chorus relay"),
+    contact: None,
     public_key_hex: None,
     user_hex_keys: [
       "ee11a5dff40c19a555f41fe42b48f00e618c91225622ae37b6c2bb67b76c4e49"

src/config.rs

@@ -12,6 +12,7 @@ pub struct FriendlyConfig {
     pub key_pem_path: String,
     pub name: Option<String>,
     pub description: Option<String>,
+    pub contact: Option<String>,
     pub public_key_hex: Option<String>,
     pub user_hex_keys: Vec<String>,
     pub verify_events: bool,
@@ -29,6 +30,7 @@ impl Default for FriendlyConfig {
             key_pem_path: "./tls/privkey.pem".to_string(),
             name: None,
             description: None,
+            contact: None,
             public_key_hex: None,
             user_hex_keys: vec![],
             verify_events: true,
@@ -48,6 +50,7 @@ impl FriendlyConfig {
             key_pem_path,
             name,
             description,
+            contact,
             public_key_hex,
             user_hex_keys,
             verify_events,
@@ -73,6 +76,7 @@ impl FriendlyConfig {
             key_pem_path,
             name,
             description,
+            contact,
             public_key,
             user_keys,
             user_hex_keys,
@@ -92,6 +96,7 @@ pub struct Config {
     pub key_pem_path: String,
     pub name: Option<String>,
     pub description: Option<String>,
+    pub contact: Option<String>,
     pub public_key: Option<Pubkey>,
     pub user_keys: Vec<Pubkey>,
     pub user_hex_keys: Vec<String>,

src/web.rs

@@ -59,6 +59,12 @@ fn build_rid(config: &Config) -> String {
         rid.push_str(description);
         rid.push('\"');
     }
+    if let Some(contact) = &config.contact {
+        rid.push(',');
+        rid.push_str("\"contact\":\"");
+        rid.push_str(contact);
+        rid.push('\"');
+    }
     if let Some(pubkey) = &config.public_key {
         let mut pkh: [u8; 64] = [0; 64];
         pubkey.write_hex(&mut pkh).unwrap();