Create Dune Smart Contract Developer's written guide

[VEG-Ginna]

AC:

• Windows, and Linux all need to have installation
• Define what part of DUNE need to be documented (look at readme)
  • Only document things which are related to our development needs
  • Start / stop chain
  • Start boilerplate
  • Compile and deploy
  • Create account (#161)
  • Run tests
  • Sending actions
  • Get table data
• Implement guide on docs
• Create a new ticket for the video course of this written guide

[lparisc]

• [x] #185
• [x] Create dune guide file with TOC headings below
• [x] Create draft PR

TOC:

• [x] Overview
• [x] Installation
  • [x] Linux (@iamveritas)
  • [x] Windows
• [x] Node setup
  • [x] Set up EOS node(s)
  • [x] Create wallets and keys
  • [x] Create test accounts
• [x] Smart Contract Development
  • [x] First contract "Hello World" with write/read row (consider: singleton contract instead)
  • [x] Compile contract
  • [x] Deploy contract
• [x] Smart Contract Testing
  • [x] Send actions
  • [x] Get table data
• [x] Summary

[nsjames]

Small comments were posted in the telegram channel about merging the two contracts into one