Metrics.enable: Correct config sample and schema

config/config.sample.yaml

@@ -106,6 +106,6 @@ ghosts:
     usernamePattern: ":username#:tag"
 # Prometheus-compatible metrics endpoint
 metrics:
-    enabled: false
+    enable: false
     port: 9001
     host: "127.0.0.1"
\ No newline at end of file

config/config.schema.yaml

@@ -127,7 +127,7 @@ properties:
     metrics:
         type: "object"
         properties:
-            enabled:
+            enable:
                 type: "boolean"
             port:
                 type: "number"

src/config.ts

@@ -158,7 +158,7 @@ class DiscordBridgeConfigGhosts {
 }
 
 export class DiscordBridgeConfigMetrics {
-    public enable: boolean;
+    public enable: boolean = false;
     public port: number = 9001;
     public host: string = "127.0.0.1";
 }