Description

This PR does three things

1. Sets up oxvg_lint with a new rule no_unknown_attributes
2. Adds a new oxvg lint check command to run lints on files
3. Adds a new oxvg lint serve command to run a diagnostics lsp

Running oxvg lint check

Running oxvg lint serve from Helix

Motivation and Context

This sets up linting as one of the main tools of the oxvg toolchain

How Has This Been Tested?

• Unit tests
• Linting w3c
• Adding as lsp to Helix

This can be used in helix with the following language configuration

[[language]]
name = "svg"
scope = "source.svg"
file-types = ["svg"]
grammar = "svg"
language-servers = ["oxvg"]
formatter = { command = "oxvg", args = ["format"] }
auto-format = true

[language-server.oxvg]
command = "oxvg"
args = ["lint", "serve"]

Types of changes

Fixes

• Adds missing "y" to tref expected attributes
• Format will exit with error code on error
• Decouples directory walker from optimiser

Features

• Set up linting runner in oxvg_lint
• Created lint no_unknown_attributes
• Set up oxvg lint check command
• Set up oxvg lint serve command

Breaking changes

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.