feat: some docs, cleaning

packages/core/tests/diff_iterative.rs

@@ -31,7 +31,7 @@ async fn test_iterative_create_components() {
                     }
                 }
             }
-            {(0..0).map(|f| rsx!{ div { "walalla"}})}
+            {(0..0).map(|_f| rsx!{ div { "walalla"}})}
             p {}
         })
     }

packages/core/tests/set_state_batch.rs

@@ -16,12 +16,12 @@ about 10ms, which is way more than enough for diffing/creating to happen.
 async fn batch() {
     let (sender, mut recver) = futures_channel::mpsc::unbounded::<i32>();
 
-    let handle = async_std::task::spawn(async move {
-        let msg = recver.next().await;
+    let _handle = async_std::task::spawn(async move {
+        let _msg = recver.next().await;
         while let Ok(msg) = recver.try_next() {
             println!("{:#?}", msg);
         }
-        let msg = recver.next().await;
+        let _msg = recver.next().await;
         while let Ok(msg) = recver.try_next() {
             println!("{:#?}", msg);
         }

packages/core/tests/test_logging.rs

@@ -1,6 +1,6 @@
 pub fn set_up_logging(enabled: bool) {
     use fern::colors::{Color, ColoredLevelConfig};
-    use log::debug;
+    
 
     if !enabled {
         return;