[docs] Link a VSCode extension for working with Material-UI (#19280)

docs/src/pages/discover-more/related-projects/related-projects.md

@@ -21,6 +21,11 @@ You didn't find the design assets your team is looking for? Let us know!
 - [Unsplash](https://unsplash.com): 📷 A great resource for finding beautiful, high-resolution, free photos that you can use in your projects.
 - [unDraw](https://undraw.co/): 📐 Like Unsplash but for amazing vector illustrations.
 
+## IDE Tools
+
+- [Material-UI Snippets](https://marketplace.visualstudio.com/items?itemName=vscodeshift.material-ui-snippets) VSCode extension providing snippets.
+- [Material-UI Codemorphs](https://marketplace.visualstudio.com/items?itemName=vscodeshift.material-ui-codemorphs) VSCode extension providing codemods.
+
 ## Components
 
 This is a collection of third-party projects that extend Material-UI.
@@ -31,8 +36,7 @@ This is a collection of third-party projects that extend Material-UI.
 
 ### Tables
 
-- [material-table](https://github.com/mbrn/material-table): A simple and powerful Datatable for React based on Material-UI Table with some additional features.
-They support many different use cases (editable, filtering, grouping, sorting, selection, i18n, tree data and more). You should check it out.
+- [material-table](https://github.com/mbrn/material-table): A simple and powerful Datatable for React based on Material-UI Table with some additional features. It supports many different use cases (editable, filtering, grouping, sorting, selection, i18n, tree data and more).
 - [dx-react-grid-material-ui](https://devexpress.github.io/devextreme-reactive/react/grid/): A data grid for Material-UI with paging, sorting, filtering, grouping and editing features ([paid license](https://js.devexpress.com/licensing/)).
 - [mui-datatables](https://github.com/gregnb/mui-datatables): Responsive data tables for Material-UI with filtering, sorting, search and more.
 - [tubular-react](https://github.com/unosquare/tubular-react): A Material-UI table with local or remote data-source. Featuring filtering, sorting, free-text search, export to CSV locally, and aggregations.

docs/src/pages/guides/typescript/typescript.md

@@ -242,7 +242,8 @@ And a custom theme factory with additional defaulted options:
 
 **./styles/createMyTheme**:
 ```ts
-import createMuiTheme, { ThemeOptions } from '@material-ui/core/styles/createMuiTheme';
+import { createMuiTheme } from '@material-ui/core/styles';
+import { ThemeOptions } from '@material-ui/core/styles/createMuiTheme';
 
 export default function createMyTheme(options: ThemeOptions) {
   return createMuiTheme({