Remove period at end of resource pack description

This is the convention that Minecraft itself uses for its built-in resource packs.

src/main/resources/Template Paper Plugin Resource Pack/pack.mcmeta

@@ -1,6 +1,6 @@
 {
   "pack": {
     "pack_format": 34,
-    "description": "The resource pack for the Template Paper Plugin."
+    "description": "The resource pack for the Template Paper Plugin"
   }
 }