fix: add Main to manifest

Signed-off-by: ItsNeil17 <neil@willofsteel.me>

src/main/resources/manifest.json

@@ -1,6 +1,6 @@
 {
   "Group": "dev.hytalemodding",
-  "Name": "YourPluginName",
+  "Name": "ExamplePlugin",
   "Version": "1.0.0",
   "Description": "Description of your plugin",
   "Authors": [
@@ -14,5 +14,6 @@
   "ServerVersion": "*",
   "Dependencies": {},
   "OptionalDependencies": {},
-  "DisabledByDefault": false
+  "DisabledByDefault": false,
+  "Main": "dev.hytalemodding.ExamplePlugin"
 }