feat: add drop_index() method (#2039)

Closes #1665

docs/src/js/namespaces/rerankers/README.md

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+[**@lancedb/lancedb**](../../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../../globals.md) / rerankers
+
+# rerankers
+
+## Index
+
+### Classes
+
+- [RRFReranker](classes/RRFReranker.md)
+
+### Interfaces
+
+- [Reranker](interfaces/Reranker.md)

docs/src/js/namespaces/rerankers/classes/RRFReranker.md

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+[**@lancedb/lancedb**](../../../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../../../globals.md) / [rerankers](../README.md) / RRFReranker
+
+# Class: RRFReranker
+
+Reranks the results using the Reciprocal Rank Fusion (RRF) algorithm.
+
+Internally this uses the Rust implementation
+
+## Constructors
+
+### new RRFReranker()
+
+```ts
+new RRFReranker(inner): RRFReranker
+```
+
+#### Parameters
+
+* **inner**: `RrfReranker`
+
+#### Returns
+
+[`RRFReranker`](RRFReranker.md)
+
+## Methods
+
+### rerankHybrid()
+
+```ts
+rerankHybrid(
+   query,
+   vecResults,
+   ftsResults): Promise<RecordBatch<any>>
+```
+
+#### Parameters
+
+* **query**: `string`
+
+* **vecResults**: `RecordBatch`&lt;`any`&gt;
+
+* **ftsResults**: `RecordBatch`&lt;`any`&gt;
+
+#### Returns
+
+`Promise`&lt;`RecordBatch`&lt;`any`&gt;&gt;
+
+***
+
+### create()
+
+```ts
+static create(k): Promise<RRFReranker>
+```
+
+#### Parameters
+
+* **k**: `number` = `60`
+
+#### Returns
+
+`Promise`&lt;[`RRFReranker`](RRFReranker.md)&gt;

docs/src/js/namespaces/rerankers/interfaces/Reranker.md

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+[**@lancedb/lancedb**](../../../README.md) • **Docs**
+
+***
+
+[@lancedb/lancedb](../../../globals.md) / [rerankers](../README.md) / Reranker
+
+# Interface: Reranker
+
+## Methods
+
+### rerankHybrid()
+
+```ts
+rerankHybrid(
+   query,
+   vecResults,
+   ftsResults): Promise<RecordBatch<any>>
+```
+
+#### Parameters
+
+* **query**: `string`
+
+* **vecResults**: `RecordBatch`&lt;`any`&gt;
+
+* **ftsResults**: `RecordBatch`&lt;`any`&gt;
+
+#### Returns
+
+`Promise`&lt;`RecordBatch`&lt;`any`&gt;&gt;