Proposal: Update to smart contract inspect tool

[haxxsniper]

Description

• An open source read/write to smart contract developer tool so that developers can interact with the smart contract on mainnet, testnet or local node
• Massive UI/UX overhaul to make usage easier with more funcitonalities

Migrated from:

• https://github.com/klaytn/klaytn-dapp-toolkit/issues/39

[haxxsniper]

You can find the newly deployed app here: https://blockcmd.com

Repo: https://github.com/blockcmd/blockcmd-app

[zxstim]

Great improvement over the previous version. Better UI/UX and better flow. Add Kaia as well please.

Approved for 1500 KLAY bounty.