fix config extensions

example.config.toml

@@ -4,8 +4,8 @@ debug = true
 [bot]
 prefix = "&"
 extensions = [
-    "announcements",
-    "templates"
+    "extensions.announcements",
+    "extensions.templates"
 ]
 
 [permissions]
@@ -19,4 +19,4 @@ allowed_users = []
 # This works in addition to the regular permissions, but only if debug mode is enabled.
 allowed_guilds = []
 allowed_roles = []
-allowed_users = []
+allowed_users = []