Merge pull request 'xbasic interpreter' (#1) from xbasic into master

.env

Cargo.lock

Cargo.toml

diesel.toml

migrations/.gitkeep

migrations/00000000000000_diesel_initial_setup/down.sql

migrations/00000000000000_diesel_initial_setup/up.sql

migrations/2020-11-21-032604_create_user_programs/down.sql

migrations/2020-11-21-032604_create_user_programs/up.sql

src/framebuffer.rs

src/handler.rs

src/main.rs

src/models.rs

src/program.rs

src/schema.rs