Change Mental slug to lowercase

plugins/Mental.json → plugins/mental.json

@@ -1,5 +1,5 @@
 {
-  "slug": "Mental",
+  "slug": "mental",
   "name": "Strum's Mental Modules",
   "author": "Strum",
   "license": "BSD 3-clause",
@@ -7,5 +7,4 @@
   "homepage": "https://github.com/Strum/Strums_Mental_VCV_Modules",
   "manual": "https://github.com/Strum/Strums_Mental_VCV_Modules/wiki/Mental-Modules-WIKI",
   "source": "https://github.com/Strum/Strums_Mental_VCV_Modules"
-  
 }