chore: rename util file

Author: timurbazhirov

src/utils/fetchFromGitHubAPI.js renamed to src/utils/github.js

@@ -3,7 +3,7 @@ import { convertToCompactCSVArrayOfObjects, safeMakeArray } from "./array";
 import { cloneClass, extendClass, extendClassStaticProps, extendThis } from "./class";
 import { deepClone } from "./clone";
 import { refreshCodeMirror } from "./codemirror";
-import { fetchFilesFromGitHubAPI } from "./fetchFromGitHubAPI";
+import { fetchFilesFromGitHubAPI } from "./github";
 import {
     createObjectPathFromFilePath,
     formatFileSize,