Add search to state route

Related: simcaq/SCRUM#210

src/libs/routes/state.js

@@ -43,7 +43,20 @@ rqf.addField({
         foreign: 'fk_regiao_id',
         foreignTable: 'estado'
     }
-});
+}).addField({
+    name: 'search',
+    field: false,
+    where: true
+}).addValueToField({
+    name: 'name',
+    table: 'estado',
+    tableField: 'nome',
+    where: {
+        relation: 'LIKE',
+        type: 'string',
+        field: 'nome'
+    }
+}, 'search');
 
 stateApp.get('/', rqf.parse(), rqf.build(), (req, res, next) => {
     req.sql.from('estado')