Shortcode for rendering code snippets from separate markdown files (#1548)

* shortcode for rendering code snippets from separate markdown files

* formatted code

* fix and readme

* semi-automatically extracts snippets from markdown

* extract snippets from points.md

* extract snippets from vectors.md

* extract snippets from payload.md

* extract snippets from search.md + fixes

* extract snippets from explore.md

* extract snippets from hybrid-queries.md + mode query by id into search

* extract snippets from filtering.md

* extract snippets from storage.md + update outdated info

* extract snippets from indexing.md

* extract snippets from snapshots.md

* extract snippets from guides/optimize.md

* extract snippets from guides/multiple-partitions.md + fix aside note

* extract snippets from guides/quantization.md

* use auto-generated descriptions

* order json snippets first

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Co-authored-by: generall <andrey@vasnetsov.com>

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/_description.md

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+This code snippet is for deleting a collection.

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/bash.md

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+```bash
+curl -X DELETE http://localhost:6333/collections/{collection_name}
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/csharp.md

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+```csharp
+await client.DeleteCollectionAsync("{collection_name}");
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/go.md

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+```go
+import "context"
+
+client.DeleteCollection(context.Background(), "{collection_name}")
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/http.md

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+```http
+DELETE http://localhost:6333/collections/{collection_name}
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/java.md

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+```java
+client.deleteCollectionAsync("{collection_name}").get();
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/python.md

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+```python
+client.delete_collection(collection_name="{collection_name}")
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/rust.md

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+```rust
+client.delete_collection("{collection_name}").await?;
+```

qdrant-landing/content/documentation/headless/snippets/delete-collection/simple/typescript.md

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+```typescript
+client.deleteCollection("{collection_name}");
+```