Add init methods for each op module (#3087)

cli/state.rs

@@ -104,9 +104,8 @@ impl Deref for ThreadSafeState {
 }
 
 impl ThreadSafeState {
-  // TODO: better name welcome
   /// Wrap core `OpDispatcher` to collect metrics.
-  pub fn cli_op<D>(
+  pub fn core_op<D>(
     &self,
     dispatcher: D,
   ) -> impl Fn(&[u8], Option<PinnedBuf>) -> CoreOp