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/sudo/Cargo.toml

@@ -4,7 +4,7 @@ version = "4.0.0-dev"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 license = "Apache-2.0"
-homepage = "https://substrate.dev"
+homepage = "https://substrate.io"
 repository = "https://github.com/paritytech/substrate/"
 description = "FRAME pallet for sudo"
 readme = "README.md"

substrate/frame/sudo/README.md

@@ -65,6 +65,6 @@ You need to set an initial superuser account as the sudo `key`.
 
 [`Call`]: ./enum.Call.html
 [`Config`]: ./trait.Config.html
-[`Origin`]: https://docs.substrate.dev/docs/substrate-types
+[`Origin`]: https://docs.substrate.io/v3/runtime/origins
 
 License: Apache-2.0

substrate/frame/sudo/src/lib.rs

@@ -89,7 +89,7 @@
 //!
 //! * [Democracy](../pallet_democracy/index.html)
 //!
-//! [`Origin`]: https://docs.substrate.dev/docs/substrate-types
+//! [`Origin`]: https://docs.substrate.io/v3/runtime/origins
 
 #![cfg_attr(not(feature = "std"), no_std)]