chore: add github issue templates

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 89.94%. Comparing base (be4932c) to head (db42bc3).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #50 +/- ## ======================================= Coverage 89.94% 89.94% ======================================= Files 45 45 Lines 3789 3789 ======================================= Hits 3408 3408 Misses 381 381 ```

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[github-actions[bot]]

Bencher

Report	Wed, March 20, 2024 at 15:08:24 UTC
Project	theseus-rs/rsql
Branch	issue-templates
Testbed	localhost

Benchmark	Latency	Latency Results nanoseconds (ns)
version	➖ (view plot)	45005000.000

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