feat: add text_search

[J0]

Add text_search as per js spec

See #191 for details

TODO

• add tests

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 1.12%.

Quality metrics	Before	After	Change
Complexity	0.59 ⭐	0.75 ⭐	0.16 👎
Method Length	36.59 ⭐	37.47 ⭐	0.88 👎
Working memory	5.09 ⭐	5.29 ⭐	0.20 👎
Quality	88.82% ⭐	87.70% ⭐	-1.12% 👎

Other metrics	Before	After	Change
Lines	1188	1260	72

Changed files	Quality Before	Quality After	Quality Change
postgrest/_async/request_builder.py	80.44% ⭐	78.76% ⭐	-1.68% 👎
postgrest/_sync/request_builder.py	80.49% ⭐	78.80% ⭐	-1.69% 👎
tests/_async/test_request_builder.py	93.83% ⭐	93.82% ⭐	-0.01% 👎
tests/_sync/test_request_builder.py	93.83% ⭐	93.82% ⭐	-0.01% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation
postgrest/_async/request_builder.py	AsyncSelectRequestBuilder.text_search	4 ⭐	116 🙂	10 😞	62.91% 🙂	Extract out complex expressions
postgrest/_sync/request_builder.py	SyncSelectRequestBuilder.text_search	4 ⭐	116 🙂	10 😞	62.91% 🙂	Extract out complex expressions
postgrest/_async/request_builder.py	AsyncRequestBuilder.upsert	0 ⭐	60 ⭐	13 😞	69.70% 🙂	Extract out complex expressions
postgrest/_sync/request_builder.py	SyncRequestBuilder.upsert	0 ⭐	60 ⭐	13 😞	69.70% 🙂	Extract out complex expressions
postgrest/_async/request_builder.py	AsyncRequestBuilder.insert	0 ⭐	54 ⭐	11 😞	73.95% 🙂	Extract out complex expressions

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• 😞 poor
• ⛔ very poor

The 👍 and 👎 indicate whether the quality has improved or gotten worse with this pull request.

---

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[codecov]

Codecov Report

Base: 91.99% // Head: 91.37% // Decreases project coverage by -0.63% ⚠️

Coverage data is based on head (1c938c6) compared to base (29cb042).
Patch coverage: 72.22% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #215      +/-   ##
==========================================
- Coverage   91.99%   91.37%   -0.63%     
==========================================
  Files          23       23              
  Lines        1112     1148      +36     
==========================================
+ Hits         1023     1049      +26     
- Misses         89       99      +10     

Impacted Files	Coverage Δ
postgrest/_async/request_builder.py	79.61% <64.28%> (-2.42%)	⬇️
postgrest/_sync/request_builder.py	86.40% <64.28%> (-3.48%)	⬇️
tests/_async/test_request_builder.py	100.00% <100.00%> (ø)
tests/_sync/test_request_builder.py	100.00% <100.00%> (ø)

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