Include imports in Edge Rust snippets (#2437)

* Allow rust code snippets to start with a comment line

* Include imports in Edge Rust snippets

* Add import per code block; use fqn when class name is ambiguous

qdrant-landing/content/documentation/headless/snippets/edge/bm25/generated/configure-bm25-shard/rust.md

@@ -1,4 +1,9 @@
 ```rust
+const SHARD_DIRECTORY: &str = "./qdrant-edge-bm25";
+
+use std::path::*;
+use qdrant_edge::*;
+
 let config = EdgeConfigBuilder::new()
     .sparse_vector("text", EdgeSparseVectorParamsBuilder::new()
         .modifier(Modifier::Idf)

qdrant-landing/content/documentation/headless/snippets/edge/bm25/generated/create-bm25/rust.md

@@ -1,4 +1,6 @@
 ```rust
+use qdrant_edge::bm25_embed::*;
+
 let bm25 = EdgeBm25::new(EdgeBm25Config {
     language: Some("english".to_string()),
     ..Default::default()

qdrant-landing/content/documentation/headless/snippets/edge/bm25/generated/embed-and-upsert/rust.md

@@ -1,4 +1,7 @@
 ```rust
+use qdrant_edge::external::serde_json::json;
+use qdrant_edge::*;
+
 let docs = [
     (1u64, "the quick brown fox", "Article 1"),
     (2,    "a lazy dog sleeps",   "Article 2"),

qdrant-landing/content/documentation/headless/snippets/edge/bm25/generated/query-with-bm25/rust.md

@@ -1,4 +1,6 @@
 ```rust
+use qdrant_edge::*;
+
 let query_vector = bm25.embed_query("clever fox");
 
 let results = shard.query(QueryRequest {

qdrant-landing/content/documentation/headless/snippets/edge/bm25/generated/rust.md

@@ -1,17 +1,9 @@
 ```rust
-use std::path::Path;
-
-use qdrant_edge::bm25_embed::{EdgeBm25, EdgeBm25Config};
-use qdrant_edge::external::serde_json::json;
-use qdrant_edge::{
-    EdgeConfigBuilder, EdgeShard, EdgeSparseVectorParamsBuilder, Modifier,
-    NamedQuery, PointInsertOperations, PointOperations, PointStruct,
-    QueryEnum, QueryRequest, ScoringQuery, UpdateOperation,
-    VectorInternal, Vectors, WithPayloadInterface, WithVector,
-};
-
 const SHARD_DIRECTORY: &str = "./qdrant-edge-bm25";
 
+use std::path::*;
+use qdrant_edge::*;
+
 let config = EdgeConfigBuilder::new()
     .sparse_vector("text", EdgeSparseVectorParamsBuilder::new()
         .modifier(Modifier::Idf)
@@ -20,11 +12,16 @@ let config = EdgeConfigBuilder::new()
 
 let shard = EdgeShard::new(Path::new(SHARD_DIRECTORY), config)?;
 
+use qdrant_edge::bm25_embed::*;
+
 let bm25 = EdgeBm25::new(EdgeBm25Config {
     language: Some("english".to_string()),
     ..Default::default()
 })?;
 
+use qdrant_edge::external::serde_json::json;
+use qdrant_edge::*;
+
 let docs = [
     (1u64, "the quick brown fox", "Article 1"),
     (2,    "a lazy dog sleeps",   "Article 2"),
@@ -44,6 +41,8 @@ shard.update(UpdateOperation::PointOperation(
 ))?;
 shard.optimize()?;
 
+use qdrant_edge::*;
+
 let query_vector = bm25.embed_query("clever fox");
 
 let results = shard.query(QueryRequest {

qdrant-landing/content/documentation/headless/snippets/edge/bm25/rust.rs

@@ -1,19 +1,11 @@
-use std::path::Path;
-
-use qdrant_edge::bm25_embed::{EdgeBm25, EdgeBm25Config};
-use qdrant_edge::external::serde_json::json;
-use qdrant_edge::{
-    EdgeConfigBuilder, EdgeShard, EdgeSparseVectorParamsBuilder, Modifier,
-    NamedQuery, PointInsertOperations, PointOperations, PointStruct,
-    QueryEnum, QueryRequest, ScoringQuery, UpdateOperation,
-    VectorInternal, Vectors, WithPayloadInterface, WithVector,
-};
-
+// @block-start configure-bm25-shard
 pub async fn main() -> anyhow::Result<()> {
     const SHARD_DIRECTORY: &str = "./qdrant-edge-bm25";
     fs_err::create_dir_all(SHARD_DIRECTORY)?; // @hide
 
-    // @block-start configure-bm25-shard
+    use std::path::*;
+    use qdrant_edge::*;
+
     let config = EdgeConfigBuilder::new()
         .sparse_vector("text", EdgeSparseVectorParamsBuilder::new()
             .modifier(Modifier::Idf)
@@ -24,6 +16,8 @@ pub async fn main() -> anyhow::Result<()> {
     // @block-end configure-bm25-shard
 
     // @block-start create-bm25
+    use qdrant_edge::bm25_embed::*;
+
     let bm25 = EdgeBm25::new(EdgeBm25Config {
         language: Some("english".to_string()),
         ..Default::default()
@@ -31,6 +25,9 @@ pub async fn main() -> anyhow::Result<()> {
     // @block-end create-bm25
 
     // @block-start embed-and-upsert
+    use qdrant_edge::external::serde_json::json;
+    use qdrant_edge::*;
+
     let docs = [
         (1u64, "the quick brown fox", "Article 1"),
         (2,    "a lazy dog sleeps",   "Article 2"),
@@ -52,6 +49,8 @@ pub async fn main() -> anyhow::Result<()> {
     // @block-end embed-and-upsert
 
     // @block-start query-with-bm25
+    use qdrant_edge::*;
+
     let query_vector = bm25.embed_query("clever fox");
 
     let results = shard.query(QueryRequest {