Migrate to docs.substrate.io throughout (#10007)

* all reverences of substrate.dev replaced with *correct* docs.substrate.io links

* fix links in non-cargo files, errors in replace

* homepage https://substrate.io

* cargo +nightly fmt

* FMT

Co-authored-by: Bastian Köcher <info@kchr.de>

substrate/frame/support/procedural/src/pallet/expand/error.rs

@@ -69,7 +69,7 @@ pub fn expand_error(def: &mut Def) -> proc_macro2::TokenStream {
 	if get_doc_literals(&error_item.attrs).is_empty() {
 		error_item.attrs.push(syn::parse_quote!(
 			#[doc = r"
-			Custom [dispatch errors](https://substrate.dev/docs/en/knowledgebase/runtime/errors)
+			Custom [dispatch errors](https://docs.substrate.io/v3/runtime/events-and-errors)
 			of this pallet.
 			"]
 		));

substrate/frame/support/procedural/src/pallet/expand/event.rs

@@ -98,7 +98,7 @@ pub fn expand_event(def: &mut Def) -> proc_macro2::TokenStream {
 	if get_doc_literals(&event_item.attrs).is_empty() {
 		event_item.attrs.push(syn::parse_quote!(
 			#[doc = r"
-			The [event](https://substrate.dev/docs/en/knowledgebase/runtime/events) emitted
+			The [event](https://docs.substrate.io/v3/runtime/events-and-errors) emitted
 			by this pallet.
 			"]
 		));

substrate/frame/support/procedural/src/pallet/expand/genesis_config.rs

@@ -89,7 +89,7 @@ pub fn expand_genesis_config(def: &mut Def) -> proc_macro2::TokenStream {
 				attrs.push(syn::parse_quote!(
 					#[doc = r"
 					Can be used to configure the
-					[genesis state](https://substrate.dev/docs/en/knowledgebase/integrate/chain-spec#the-genesis-state)
+					[genesis state](https://docs.substrate.io/v3/runtime/chain-specs#the-genesis-state)
 					of this pallet.
 					"]
 				));

substrate/frame/support/procedural/src/pallet/expand/mod.rs

@@ -72,9 +72,9 @@ pub fn expand(mut def: Def) -> proc_macro2::TokenStream {
 		def.item.attrs.push(syn::parse_quote!(
 			#[doc = r"
 			The module that hosts all the
-			[FRAME](https://substrate.dev/docs/en/knowledgebase/runtime/frame)
+			[FRAME](https://docs.substrate.io/v3/runtime/frame)
 			types needed to add this pallet to a
-			[runtime](https://substrate.dev/docs/en/knowledgebase/runtime/).
+			runtime.
 			"]
 		));
 	}

substrate/frame/support/procedural/src/pallet/expand/pallet_struct.rs

@@ -62,7 +62,7 @@ pub fn expand_pallet_struct(def: &mut Def) -> proc_macro2::TokenStream {
 	if get_doc_literals(&pallet_item.attrs).is_empty() {
 		pallet_item.attrs.push(syn::parse_quote!(
 			#[doc = r"
-			The [pallet](https://substrate.dev/docs/en/knowledgebase/runtime/pallets) implementing
+			The [pallet](https://docs.substrate.io/v3/runtime/frame#pallets) implementing
 			the on-chain logic.
 			"]
 		));