MNT: refactoring the data folder (#721) by Gui-FernandesBR · Pull Request #726

MNT: refactoring the data folder (#721) by Gui-FernandesBR · Pull Request #726 · RocketPy-Team/RocketPy

* GIT: rename data files

* GIT: rename more files

* MNT: Delete redundant files

* MNT: rename berkeley files

* MNT: updates paths after refactoring the data folder

* GIT: rename data files

* GIT: rename more files

* MNT: Delete redundant files

* MNT: rename berkeley files

* MNT: updates paths after refactoring the data folder

* GIT: rename data files

* GIT: rename more files

* MNT: Delete redundant files

* MNT: rename berkeley files

* MNT: updates paths after refactoring the data folder

* STY: fix lint

* DOC: fix paths in documentation