feat: GraphQL mutations for folder, group, tag, user

server/modules/graphql.js

@@ -10,11 +10,15 @@ const _ = require('lodash')
 const typeDefs = fs.readFileSync(path.join(wiki.SERVERPATH, 'schemas/types.graphql'), 'utf8')
 
 const DateScalar = require('../schemas/scalar-date')
+const FolderResolvers = require('../schemas/resolvers-folder')
 const GroupResolvers = require('../schemas/resolvers-group')
+const TagResolvers = require('../schemas/resolvers-tag')
 const UserResolvers = require('../schemas/resolvers-user')
 
 const resolvers = _.merge(
+  FolderResolvers,
   GroupResolvers,
+  TagResolvers,
   UserResolvers,
   DateScalar
 )