Packscript

See [README](https://github.com/Slackow/PackScript) for usage
- Add new update sub-command (`python3 packscript.py update` or `python3 packscript.py u`)
- Add 1.20.5 pack_format as default with `init`
- Add `ns` as global variable, represents the current namespace of the `dps` file you are in.
ex: `/function $ns:func`

See [README](https://github.com/Slackow/PackScript) for usage

- Fix issue when no Extra specified
- Improve Error output from within `.dps` files
- `.fps` files can now generate additional functions
- Namespaces traversed in alphabetical order

mod creates dev directories in your worlds where you can put datapacks that will be transferred automatically on save of any dps file.

See [README](https://github.com/Slackow/PackScript) for usage

- Added Command Lines
- Added Function Definitions
- Added Create Statements
- Added capture_lines() function
- Added DataPackScript
- Added FunctionPackScript