tweak pallet macro (genesis_config etc) to cater for RA users as well. (

paritytech#1689)

Small tweak to paritytech#1642 to
incorporate the ideas from
paritytech#247.

I think this is the good middle ground, where we have good rust-docs,
and the RA users will also have some hope.

cc @wentelteefje @aaronbassett @sam0x17

substrate/frame/support/procedural/src/lib.rs

@@ -1417,11 +1417,15 @@ pub fn type_value(_: TokenStream, _: TokenStream) -> TokenStream {
 	pallet_macro_stub()
 }
 
+/// **Rust-Analyzer users**: See the documentation of the Rust item in
+/// `frame_support::pallet_macros::genesis_config`.
 #[proc_macro_attribute]
 pub fn genesis_config(_: TokenStream, _: TokenStream) -> TokenStream {
 	pallet_macro_stub()
 }
 
+/// **Rust-Analyzer users**: See the documentation of the Rust item in
+/// `frame_support::pallet_macros::genesis_build`.
 #[proc_macro_attribute]
 pub fn genesis_build(_: TokenStream, _: TokenStream) -> TokenStream {
 	pallet_macro_stub()