dev: tweak git ignores

[lread]

Of note:

• Many people now use clj-kondo, exclude its cache, but include exported clj-kondo configs from libraries we use.
• Lots of people also use clojure-lsp now. Exclude the .lsp dir.

[codecov-commenter]

Codecov Report

Base: 64.45% // Head: 64.31% // Decreases project coverage by -0.14% :warning:

Coverage data is based on head (d06b5f5) compared to base (8caf976). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #68 +/- ## ========================================== - Coverage 64.45% 64.31% -0.15% ========================================== Files 7 7 Lines 709 709 Branches 50 50 ========================================== - Hits 457 456 -1 Misses 203 203 - Partials 49 50 +1 ``` | [Impacted Files](https://codecov.io/gh/benedekfazekas/mranderson/pull/68?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Benedek+Fazekas) | Coverage Δ | | |---|---|---| | [src/mranderson/move.clj](https://codecov.io/gh/benedekfazekas/mranderson/pull/68/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Benedek+Fazekas#diff-c3JjL21yYW5kZXJzb24vbW92ZS5jbGo=) | `91.41% <0.00%> (-0.51%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Benedek+Fazekas). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Benedek+Fazekas)

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[benedekfazekas]

ta!