share plugin commit in http api

src/main/java/xyz/webmc/originblacklist/base/OriginBlacklist.java

@@ -80,7 +80,9 @@ public final class OriginBlacklist {
 
   public final void shutdown() {
     this.plugin.log(EnumLogLevel.INFO, "Shutting down...");
+    if (this.isBlacklistAPIEnabled()) {
       OriginBlacklistRequestHandler.unRegister(this);
+    }
     this.plugin.shutdown();
   }
 
@@ -319,6 +321,7 @@ public final class OriginBlacklist {
     try {
       final Json5Object obj = new Json5Object();
       obj.addProperty("plugin_version", this.plugin.getPluginVersion().getVersion());
+      obj.addProperty("git_commit", COMMIT_L);
       obj.addProperty("blacklist_to_whitelist", this.config.getBoolean("blacklist_to_whitelist"));
       obj.addProperty("block_undefined_origin", this.config.getBoolean("block_undefined_origin"));
       final Json5Object bObj = new Json5Object();