Some Improvements for Endpoints

[hkulekci]

• query param improvement for payload delete and point search endpoints #8
• createCollection hnswConfig and walConfig initialized https://github.com/hkulekci/qdrant-php/issues/36

[codecov[bot]]

Codecov Report

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

Comparison is base (aed17be) 91.56% compared to head (a3eea6e) 93.17%. Report is 2 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #43 +/- ## ============================================ + Coverage 91.56% 93.17% +1.60% - Complexity 311 347 +36 ============================================ Files 62 64 +2 Lines 1008 1099 +91 ============================================ + Hits 923 1024 +101 + Misses 85 75 -10 ``` | [Flag](https://app.codecov.io/gh/hkulekci/qdrant-php/pull/43/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Haydar+K%C3%9CLEKC%C4%B0) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/hkulekci/qdrant-php/pull/43/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Haydar+K%C3%9CLEKC%C4%B0) | `93.17% <100.00%> (+1.60%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Haydar+K%C3%9CLEKC%C4%B0#carryforward-flags-in-the-pull-request-comment) to find out more.

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