feat: simplify generated open api structure and manual overrides

[patzick]

Description

Draft of incoming generator changes. More detailed description will show up here soon.

Type of change

For canary - breaking but simplifying, migration path will be provided.
For stable - breaking but more simple than current stable->canary transition.

ToDo's

• test and generate query params
• test and generate path params
• test and generate headers
• (optional) override only part of schema/operation
• rewrite RequestParameters and RequestReturnType
• migrate creating admin client
• ...

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Updated (UTC)
frontends-demo	❌ Failed (Inspect)		May 13, 2024 8:00am
shopware-frontends-docs	✅ Ready (Inspect)	Visit Preview	May 13, 2024 8:00am

[codspeed-hq]

CodSpeed Performance Report

Merging #871 will degrade performances by 95.33%

_{Comparing feat/api-client-new-structure (fbb97c3) with main (823aa9b)}

Summary

❌ 2 regressions
✅ 7 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	feat/api-client-new-structure	Change
❌	[api-client][transformPathToQuery] - transform without any params	294.4 µs	6,299.2 µs	-95.33%
❌	[api-gen][generate] - generate schema command	2.1 s	28.7 s	-92.74%