Add packaging/contribution tips and tricks

[malfisya]

Add packaging/contribution tips and tricks page. Like a compilation of sorts for all the tricks and tricks all contributors uses in their workflow.

This is mine for example. Tips & Tricks.txt

David edit: Gist link for convenience https://gist.github.com/davidjharder/9fbc439c0f045829114f8800cade0ff4

[malfisya]

Here you go @TraceyC77 . A few days late but submitted anyway 😁