feat: improve the rust table query API and documents (#860)

* Easy to type
* Handle `String, &str, [String] and [&str]` well without manual
conversion
* Fix function name to be verb
* Improve docstring of Rust.
* Promote `query` and `search()` to public `Table` trait

nodejs/src/query.rs

@@ -33,7 +33,7 @@ impl Query {
 
     #[napi]
     pub fn vector(&mut self, vector: Float32Array) {
-        let inn = self.inner.clone().query_vector(&vector);
+        let inn = self.inner.clone().nearest_to(&vector);
         self.inner = inn;
     }