Create a page for First Time Contributors

[xmnlab]

Create a page for first time contributors, explaining important topics for beginners such as:

• first steps with git
• how to prepare local environment with conda
• create a local folder for development e.g. ~/dev
• CI
• run tests locally
• pre-commit

[xmnlab]

@Satarupa22-SD feel free to share any content here that maybe would be helpful for first time contributors

[Satarupa22-SD]

okay!

[Satarupa22-SD]

@xmnlab @DanielaIgRo Please take a look at these resources
Git, Conda

[xmnlab]

thanks @Satarupa22-SD ! very good resources!

[xmnlab]

we should also recommend to use git config --global pull.rebase true configuration