docs(transformer): correct typos and reformat doc comments (#6758)

crates/oxc_transformer/src/es2019/optional_catch_binding.rs

@@ -1,6 +1,7 @@
 //! ES2019: Optional Catch Binding
 //!
-//! This plugin transform catch clause without parameter to add a parameter called `unused` in catch clause.
+//! This plugin transforms catch clause without parameter to add a parameter
+//! called `unused` in catch clause.
 //!
 //! > This plugin is included in `preset-env`, in ES2019
 //!

crates/oxc_transformer/src/es2021/logical_assignment_operators.rs

@@ -1,6 +1,7 @@
 //! ES2021: Logical Assignment Operators
 //!
-//! This plugin transform logical assignment operators `&&=`, `||=`, and `??=` to a series of logical expressions.
+//! This plugin transforms logical assignment operators (`&&=`, `||=`, `??=`)
+//! to a series of logical expressions.
 //!
 //! > This plugin is included in `preset-env`, in ES2021
 //!