feat: update "project.terms" type to string

Author: maxceem

migrations/elasticsearch_sync.js

@@ -304,7 +304,7 @@ function getRequestBody (indexName) {
         index: 'not_analyzed'
       },
       terms: {
-        type: 'integer'
+        type: 'string'
       },
       type: {
         type: 'string',

src/services/ProcessorServiceProject.js

@@ -30,7 +30,7 @@ function createSchema () {
     id: Joi.number().integer().positive().required(),
     createdAt: Joi.date().required(),
     updatedAt: Joi.date().required(),
-    terms: Joi.array().items(Joi.number().positive()).optional(),
+    terms: Joi.array().items(Joi.string()).optional(),
     name: Joi.string().required(),
     description: Joi.string().allow(null).allow('').optional(),
     type: Joi.string().max(45).required(),