split tag managers with tag submit manager

models/TagSubmit.ts

+interface TagSubmit {
+    name: string;
+    type: 'Language' | 'Framework' | 'Theme' | 'UserDefined';
+    state: 'PendingApproval' | 'Declined' | 'Approved';
+}
+
+export default TagSubmit;

types/Dojo/ApiRoute.ts

@@ -14,7 +14,7 @@ enum ApiRoute {
     EXERCISE_RESULTS             = '/exercises/{{id}}/results',
     ADD_TAG                      = '/tags',
     DELETE_TAG                   = '/tags/{{tageName}}',
-    PROPOSE_TAG                  = '/tags/proposals/{{state}}',
+    PROPOSE_TAG                  = '/tags/proposals/{{tagState}}',
     ANSWER_TAG_PROPOSAL          = '/tags/proposals/{{tagProposalName}}'
 }