feat(language_server): auto detect oxlint config

[Sysix]

closes #5802

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[nrayburn-tech]

#4600 is an issue for the CLI equivalent of this and #4924 is the relevant PR for that.

Should probably review merging the CLI PR in if this goes in.

[Sysix]

good point, I tried to add it into CLI #7348. This PR depends on another one :)

Back to "Draft" until CLI is merged

[Sysix]

Because in #7348 we decided to only check for .oxlintrc.json, I will close this PR and change the default value on the client side: #7442