Open-space-toolkit-core

**refactor!:**
- expand abbreviated namespaces and align on singular instead of plural names

**chore:**
- improve dev container and align build files with ostk-astro
- make mkdir command more robust

**fix:**
- py unit test packaging and enhance dev container formatting

**docs:**
- update README for build and test

**refactor**
- rename abbreviated namespaces to full pathing (134)

**feat**
- add String::SanitizeUTF function

**feat**
- String::split function

**build**
- use backtrace package, add option to include Debug symbols

**feat**
- add stack trace to errors