[DOC] ELI5 Blogpost

[gagdiez]

Let's create a blogpost in which we ELI5 NEAR and its main concepts:

• Account Model (Named accounts + Keys)
• Relayers
• Indexers
• Fungible and Non Fungible tokens

[gagdiez]

example: https://pastebin.com/YGgWw7dR

[goodylili]

@gagdiez @thisisjoshford is this up for assignment?