Add bytes collect, bytes remove, bytes build cmd (#6008)

* add bytes collect

* index_of support searching from end

* add bytes remove

* make bytes replace work better for empty pattern

* add bytes build

* remove comment

* tweak words

Co-authored-by: Darren Schroeder <343840+fdncred@users.noreply.github.com>

crates/nu-command/src/default_context.rs

@@ -218,6 +218,9 @@ pub fn create_default_context(cwd: impl AsRef<Path>) -> EngineState {
             BytesAdd,
             BytesAt,
             BytesIndexOf,
+            BytesCollect,
+            BytesRemove,
+            BytesBuild,
         }
 
         // FileSystem