Pull request project-chip#19: Example newLight

Merge in WMN_TOOLS/matter from example_newLight to silabs

Squashed commit of the following:

commit 531f2444a8d32be6d4e6459358be87257f10d659
Author: Elfelsoufi-SiLabs <moaminee@silabs.com>
Date:   Mon Aug 1 15:27:53 2022 -0400

    ✂️  Update New-Light's README.md

commit 430484553df595e64bd7a8c253917385d1183e17
Author: Elfelsoufi-SiLabs <moaminee@silabs.com>
Date:   Mon Jul 18 16:11:34 2022 -0400

    🔍 Fix typo.

commit 9831b0c93ccc20deb0bdd5444362debb8f1c6fee
Author: Elfelsoufi-SiLabs <moaminee@silabs.com>
Date:   Mon Jul 18 15:45:43 2022 -0400

    📖 Add newLight guide.