feat(matter): New example => Wifi Prov within Matter as alternative for wireless network provisioning

[SuGlider]

Description of Change

WiFi Prov based on BLE or SoftAP can be used for WiFi Network provisioning within Matter Accessories.
This is an alternative that helps application that don't want to fix any SSID/Password in the code.

This example can be used with an other sort of WiFi Provisioning, including, for instance, WiFi Manager Library.

Tests scenarios

Tested with ESP32-S3 and the provided example.

Related links

Related to #7432

[github-actions]

	Warnings
⚠️	The **target branch** for this Pull Request **must be the default branch** of the project (`master`). If you would like to add this feature to a different branch, please state this in the PR description and we will consider it.

	Messages
📖	You might consider squashing your 3 commits (simplifying branch history).

👋 Hello SuGlider, we appreciate your contribution to this project!

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[github-actions]

Memory usage test (comparing PR against master branch)

The table below shows the summary of memory usage change (decrease - increase) in bytes and percentage for each target.

Memory	FLASH [bytes]		FLASH [%]		RAM [bytes]		RAM [%]
Target	DEC	INC	DEC	INC	DEC	INC	DEC	INC
ESP32S3	0	0	0.00	0.00	0	0	0.00	0.00
ESP32S2	0	0	0.00	0.00	0	0	0.00	0.00
ESP32C3	0	0	0.00	0.00	0	0	0.00	0.00
ESP32C6	0	0	0.00	0.00	0	0	0.00	0.00
ESP32	0	0	0.00	0.00	0	0	0.00	0.00

Click to expand the detailed deltas report [usage change in BYTES]

Target	ESP32S3		ESP32S2		ESP32C3		ESP32C6		ESP32
Example	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM	FLASH	RAM
Matter/examples/WiFiProvWithinMatter	-	-	-	-	-	-	-	-	-	-