chore!: replace @edx/paragon and @edx/frontend-build to use openedx namespace (#530)

BREAKING CHANGE: consuming applications must now provide paragon from the @openedx scope

* refactor: replace @edx/paragon and @edx/frontend-build

* feat: updated frontend platform to latest version

* refactor: updated depdendent packages and removed redundant packages

* refactor: updated paragon package

* fix: downgraded paragon to fix test cases

---------

Co-authored-by: mashal-m <mashal.malik@arbisoft.com>
Co-authored-by: Muhammad Abdullah Waheed <abdullah.waheed@arbisoft.com>

Author: 3 people

.eslintrc.js

@@ -1,4 +1,4 @@
 // eslint-disable-next-line import/no-extraneous-dependencies
-const { createConfig } = require('@edx/frontend-build');
+const { createConfig } = require('@openedx/frontend-build');
 
 module.exports = createConfig('eslint');

babel.config.js

@@ -1,3 +1,3 @@
-const { createConfig } = require('@edx/frontend-build');
+const { createConfig } = require('@openedx/frontend-build');
 
 module.exports = createConfig('babel-preserve-modules');

example/index.scss

@@ -1,6 +1,6 @@
 @import "@edx/brand/paragon/fonts";
 @import "@edx/brand/paragon/variables";
-@import "@edx/paragon/scss/core/core";
+@import "@openedx/paragon/scss/core/core";
 @import "@edx/brand/paragon/overrides";
 
 @import "@edx/frontend-component-header/index";

jest.config.js

@@ -1,4 +1,4 @@
-const { createConfig } = require('@edx/frontend-build');
+const { createConfig } = require('@openedx/frontend-build');
 
 module.exports = createConfig('jest', {
   setupFilesAfterEnv: [