Open-space-toolkit-mathematics

**refactor**
- rename abbreviated namespaces to full pathing (100)

**fix**
- align Vector6d to be a column vector like the rest (99)

**feat**
- add Vector6d typedef

* fix: make PointSet 2D and 3D classes iterable in Python (https://github.com/open-space-collective/open-space-toolkit-mathematics/pull/96)
* build: add CMAKE cache option for Python versions (https://github.com/open-space-collective/open-space-toolkit-mathematics/pull/95)

**build**
- use ostk-* commands from base image (93)
- update issue templates for bug (90)
- update issue templates for features (91)

**chore**
- update CONTRIBUTING.md (92)

**feat**
- add Numerical Solver class from OSTk Astro (94)

- fix: install jupyterlab extension (82)
- build: fix dev container (84)
- feat: auto-fetch latest OSTK core patch version in docker image (86)
- chore: add Angle::inDegrees python binding overload (88)
- fix: modify jupyter notebook ostk-physics installation and permissions (87)
- fix: modify jupyter notebook ostk-physics installation and permissions (87)