basedpyright should also do syntax highlighting

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currently the semantic highlighting assumes your editor already does the basic syntax highlighting, but vscode's sucks because it uses an abandoned 3rd party package (microsoft/pylance-release#5824)

this would address all issues labelled with vscode syntax highlighting issues with vscode's native python syntax highlighting rather than an issue with our LSP , along with this neovim syntax highlighting issue with match statements that was raised in the discord:

probably also need to figure out #147, as there are two different colours used (in vscode at least) for keywords and i'm not sure what the distinction between them is supposed to be