feat: support sending files in forms (#193)

* draft: file changes

* file size calculate fx

* remove format logic

* fix: extract size from open-dialog

* chore: finalize check for multipart request

---------

Co-authored-by: Aarushsr12 <aarushsrivastava1212@gmail.com>
Co-authored-by: Aarush Srivastava <aarush@browserstack.com>

Author: nsrCodes

.eslintrc.js

@@ -10,6 +10,7 @@ module.exports = {
     "no-await-in-loop": "off",
     "prettier/prettier": "off",
     "no-nested-ternary": "off",
+    "no-restricted-syntax": "off",
     "no-unused-vars": [
       "warn",
       {