#38 User requests

* implements 5) "Add 'Maßnahmentyp' for KOMs "
    * prepares model and form fields as mixins for easy extension to eco accounts and emas (possibly in the future?)

konova/static/css/konova.css

@@ -186,12 +186,15 @@ Overwrites bootstrap .btn:focus box shadow color
     background-color: var(--rlp-gray-light);
 }
 
-.check-star{
+.check-star, .c-goldenrod{
     color: goldenrod;
 }
-.registered-bookmark{
+.registered-bookmark, .c-green{
     color: green;
 }
+.c-red{
+    color: red;
+}
 
 /* PAGINATION */
 .page-item > .page-link{