Update READMEs, fix links (#7176)

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Re-generate READMEs to fix doc links; set readme field in package manifests

* Revert stuff that shouldn't have been committed

* Revert stuff that shouldn't have been committed

* Fix parent relative link generation

* Manually remove this incorrect link for now.

substrate/frame/scheduler/Cargo.toml

@@ -7,6 +7,7 @@ license = "Unlicense"
 homepage = "https://substrate.dev"
 repository = "https://github.com/paritytech/substrate/"
 description = "FRAME example pallet"
+readme = "README.md"
 
 [dependencies]
 serde = { version = "1.0.101", optional = true }

substrate/frame/scheduler/README.md

@@ -1,9 +1,9 @@
 # Scheduler
 A module for scheduling dispatches.
 
-- [`scheduler::Trait`](./trait.Trait.html)
-- [`Call`](./enum.Call.html)
-- [`Module`](./struct.Module.html)
+- [`scheduler::Trait`](https://docs.rs/pallet-scheduler/latest/pallet_scheduler/trait.Trait.html)
+- [`Call`](https://docs.rs/pallet-scheduler/latest/pallet_scheduler/enum.Call.html)
+- [`Module`](https://docs.rs/pallet-scheduler/latest/pallet_scheduler/struct.Module.html)
 
 ## Overview