Issue-Change layout algorithm

Automated Review Comments Issues in examples/prototype.rs:

(9, 'Line exceeds 80 characters')
(9, 'Hardcoded string found') Issues in src/layout.rs:
(15, 'Line exceeds 80 characters')
(16, 'Line exceeds 80 characters')
(19, 'Line exceeds 80 characters')
(20, 'Line exceeds 80 characters')
(27, 'Line exceeds 80 characters')
(28, 'Line exceeds 80 characters')
(32, 'Line exceeds 80 characters')
(34, 'Line exceeds 80 characters')
(39, 'Line exceeds 80 characters')
(40, 'Line exceeds 80 characters')
(41, 'Line exceeds 80 characters')
(48, 'Line exceeds 80 characters')
(49, 'Line exceeds 80 characters')
(53, 'Line exceeds 80 characters')
(55, 'Line exceeds 80 characters')
(60, 'Line exceeds 80 characters')
(61, 'Line exceeds 80 characters')
(62, 'Line exceeds 80 characters')
(69, 'TODO found') Issues in src/widgets/block.rs:
(11, 'Line exceeds 80 characters')

drone-1x / solana-1