Docs fixups (bp #15801) (#15802)

* docs: add docs links for crates published to crates.io

(cherry picked from commit 24d18b3cf2)

# Conflicts:
#	core/Cargo.toml
#	measure/Cargo.toml
#	programs/bpf/rust/finalize/Cargo.toml

* docs: add rust client api entry

(cherry picked from commit 3e6c7c4a3e)

* docs: rename 'deployed programs' section to 'on-chain programs'

(cherry picked from commit 0e452c8d91)

* docs: 'builtins' -> 'runtime facilities'

(cherry picked from commit 9c8be34906)

* docs: stabilize spl token jsonrpc methods

(cherry picked from commit 45190f6281)

* docs: deprecate lastvalidslot field of jsonrpc getfees

(cherry picked from commit c4ee1ab710)

Co-authored-by: Trent Nelson <trent@solana.com>

sdk/Cargo.toml

@@ -5,6 +5,7 @@ description = "Solana SDK"
 authors = ["Solana Maintainers <maintainers@solana.foundation>"]
 repository = "https://github.com/solana-labs/solana"
 homepage = "https://solana.com/"
+documentation = "https://docs.rs/solana-sdk"
 license = "Apache-2.0"
 edition = "2018"
 

sdk/macro/Cargo.toml

@@ -5,6 +5,7 @@ description = "Solana SDK Macro"
 authors = ["Solana Maintainers <maintainers@solana.foundation>"]
 repository = "https://github.com/solana-labs/solana"
 homepage = "https://solana.com/"
+documentation = "https://docs.rs/solana-sdk-macro"
 license = "Apache-2.0"
 edition = "2018"
 

sdk/program/Cargo.toml

@@ -5,6 +5,7 @@ description = "Solana Program"
 authors = ["Solana Maintainers <maintainers@solana.foundation>"]
 repository = "https://github.com/solana-labs/solana"
 homepage = "https://solana.com/"
+documentation = "https://docs.rs/solana-program"
 license = "Apache-2.0"
 edition = "2018"