Show more information in interpreting accounts

[Bill Laboon]

On Accounts page, show how to read the different account data directly from querying chain state.

https://wiki.polkadot.network/docs/learn-accounts#account-balance-types

Show an example of an account from querying "system.account(ACCOUNT)" and explain what the following mean:

{
  nonce: 0
  consumers: 1
  providers: 1
  sufficients: 0
  data: {
    free: 597,750,000,000
    reserved: 402,250,000,000
    frozen: 0
    flags: 170,141,183,460,469,231,731,687,303,715,884,105,728
  }
}