Update LICENSE

Author: benhatsor

LICENSE

@@ -2,7 +2,7 @@ Codeit is licensed under GNU-GPL v3.
 For more info, see: https://gnu.org/licenses/gpl-3.0
 Copyright (C) 2020- Codeit contributors
 
-   'This program is free software: you can redistribute it and/or modify
+   "This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, version 3 of the License.
 
@@ -12,4 +12,4 @@ Copyright (C) 2020- Codeit contributors
     GNU General Public License for more details.
 
     For a copy of the GNU General Public License,
-    see <https://www.gnu.org/licenses/gpl-3.0.txt>.'
+    see <https://www.gnu.org/licenses/gpl-3.0.txt>."