- index.html
Added Process Control Block (PCB).

- globals.ts
Added Process variables.

- control.ts
Added functions to initialize and display updates for PCB in UI.

- cpu.ts
Added function to execute User Defined Programs in 6502. Only "A9" op code
is currently implemented, but other op codes will be added with future
commits.

- console.ts
Began implementing line wrap in console.

- kernel.ts
Changed _Memory to array.

- process.ts
Created Process class.

- shell.ts
Added run <pid> command, which executes a user defined program for a
given pid.