Kickstart Solana + Metaplex content#229

Draft

jochasinga wants to merge 4 commits intoprotocol:mainfrom

jochasinga:solana

Commits on Mar 25, 2022

Kickstart Solana + Metaplex content
jochasinga
committed

Commits on Mar 26, 2022

Adding the first section with web.js and Node REPL client
jochasinga
committed
Add some more content on creating account, get airdrop, and transfer fund
jochasinga
committed

Commits on Mar 28, 2022

Add additional content in Rust
jochasinga
committed