Reorganize format
Add debug put function
Fix bug in BlockReachBottom.

Check step:
1. check current position is a block
2. check downward has same block
3. check downward has existing block
Add touch detected. Spin temino.
add l3gd20 control block movement
Complete basic game function

Now can:
* Move termino right and left with L3GD20
* Spin termino when touch on LCD
* Clear line after filling the whole row