Add Rust snippets for adding/removing named vectors

qdrant-landing/content/documentation/headless/snippets/delete-named-vector/generated/rust.md

@@ -0,0 +1,11 @@
+```rust
+use qdrant_client::qdrant::DeleteVectorNameRequestBuilder;
+use qdrant_client::Qdrant;
+
+client
+    .delete_vector_name(DeleteVectorNameRequestBuilder::new(
+        "{collection_name}",
+        "{vector_name}",
+    ))
+    .await?;
+```

qdrant-landing/content/documentation/headless/snippets/delete-named-vector/rust.rs

@@ -0,0 +1,17 @@
+use qdrant_client::qdrant::DeleteVectorNameRequestBuilder;
+use qdrant_client::Qdrant;
+
+pub async fn main() -> anyhow::Result<()> {
+    // @hide-start
+    let client = Qdrant::from_url("http://localhost:6334").build()?;
+    // @hide-end
+
+    client
+        .delete_vector_name(DeleteVectorNameRequestBuilder::new(
+            "{collection_name}",
+            "{vector_name}",
+        ))
+        .await?;
+
+    Ok(())
+}