Fitur to add extension source

[monggoturu]

Describe your suggested feature

Can you add a feature to add a new extension source link so we can install our own edited extension?

Other details

No response

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• [X] I have written a short but informative title.

[averagePedestrian]

+1