update eslint config + other changes

src/server/backend/db/db.js

@@ -7,9 +7,27 @@
 *
 */
 
+const path = require( 'path' );
+const fs = require( 'fs' );
+
 module.exports.getData = function getData ( db, searchQuery ) {
     console.log( db + searchQuery );
     return new Promise( resolve => {
         resolve( '$2b$05$ElMYWoMjk7567lXkIkee.e.6cxCrWU4gkfuNLB8gmGYLQQPm7gT3O' );
     } );
+};
+
+module.exports.getJSONData = function getData ( file ) {
+    return new Promise( ( resolve, reject ) => {
+        fs.readFile( path.join( __dirname + '/../../' + file ), ( error, data ) => {
+            if ( error ) {
+                reject( 'Error occurred: Error trace: ' + error );
+            }
+            resolve( JSON.parse( data ) );
+        } );
+    } );
+};
+
+module.exports.getJSONDataSync = function getData ( file ) {
+    return JSON.parse( fs.readFileSync( path.join( __dirname + '/../../' + file ) ) );
 };

src/server/backend/db/jsondb.js

@@ -0,0 +1 @@
+class