git commands added

usefull-stuff.md

@@ -46,4 +46,9 @@ To send requests to your service, https://www.postman.com/downloads/ is a good a
 
 ## Matter
 - https://github.com/project-chip/connectedhomeip
-- https://blog.espressif.com/announcing-matter-previously-chip-on-esp32-84164316c0e3
+- https://blog.espressif.com/announcing-matter-previously-chip-on-esp32-84164316c0e3
+
+## Git Command line Order to Push:
+```git add .```
+```git commit -m "message"```
+```git push origin```