* adding documentation for rpc.md
* adding rpc methods in table for rpc.md
* adjusting readme to link to rpc.md
* fixing grammar
* grammar
* adding RPC Methods according to documentation and listing column as Client Function
* adding more description space
* undoing description spacing
* adding get block transaction count by hash to node.rs and rpc.rs
* functioning getblocktransactioncountbyhash function
* removing documentation
* adding second rpc method and simplifying logic
* adjusting example and node.rs
* formatting
* fixing clippy errors
* adding to client and to rpc.md
* formatting
* integrating into client
* u64 return types, rpc.md updated to get_nonce, get_transaction_count -> get_nonce revert
* cargo fmt
* adding documentation for rpc.md
* adding rpc methods in table for rpc.md
* adjusting readme to link to rpc.md
* fixing grammar
* grammar
* adding RPC Methods according to documentation and listing column as Client Function
* adding more description space
* undoing description spacing
Giovanni Vignone