Move Project name and file paths to yml file and ignore this file

[Clare2D]

While we're here, I propose we extract the "project_name" to a config file. This way we won't have merge conflicts every time somebody is working on a different project

_Originally posted by @jdhoffa in https://github.com/2DegreesInvesting/PACTA_analysis/pull/48#discussion_r459296636_

[Clare2D]

Jacob are you able to do this? Both the project_name and the true/false on external/internal and the file paths. Thanks!

[jacobvjk]

I think I can figure that out, will add it to the agenda

[jdhoffa]

Closed by #51