Playgroundtools

- Add ability to delete config keys
- Reduce complexity of cleaning config
- Simplify status management
- Add additional config tests

- Add `lib` field to GUI
- Add ability to modify module and args at playground runtime
- Add example to README
- Fix invalid config error for `new`

- Fix README `config` commands
- Fix README JSON example
- Fix `config add` with no value specified

- Add additional tests to check for exceptions
- Edit test workflow
- Simplify test fixtures

- Add ability to read from custom config files
- Add more config tests
- Simplify config functions
- Simplify config exceptions
- Fix config key read bug
- Fix `load_file_resource` path issue

- Update README
- Fix config read issue
- Minor status bug fix