use Spyglass for datapack linting

[TheAfroOfDoom]

we can rely on Spyglass now that v4 is out once CLI linting is implemented

click to view outdated ticket description

we get a little bit of linting in vscode with Datapack Helper Plus, but DHP is pretty buggy and we shouldn't rely on it to actually lint, I don't think.

instead we should probably write a script in-house to do stuff before we run the test server:

we'd want the linting script to ensure to run on specific files (.mcfunction, .json, etc.) and check that:

• they have a new-line at the end of the file
• all (most? idk) strings use single quotes ' instead of "
• all SNBT has the correct white space; e.g.
  • {Tags:["tag1","tag2"]} wrong ❌
  • { Tags: ["tag1", "tag2"] } correct ✔️

we'll probably want more rules than above but that's a decent start.

---

adding linting ensures our files have consistent styling (like SNBT whitespace)

---

we'd also want to add this script to the datapack.yml/resourcepack.yml workflows so that we run the linting script before we run the test server done

[TheAfroOfDoom]

infrastructure for this was added in a50e084 (#62)

should be pretty easy now to add rules for the things mentioned above

see 787cd85 (#62)

[TheAfroOfDoom]

#37 (comment)

the TODO linting rule was done in e1b3d7a (#67)