Absjump/data refactor

[yurapyon]

makes the 'absjump' and 'data' words more standard essentially the same idea as 'define' where they pop off the stack and write to memory

this is partly to prepare for mini word semantics ref: https://github.com/yurapyon/mini/issues/14#issuecomment-2254302807

~TODO adds last-xt ref: https://github.com/yurapyon/mini/issues/14#issuecomment-2254322805~

adds r0

• [x] refactor absjump and data
• [ ] ~test ^~ do this here https://github.com/yurapyon/mini/pull/20
• [x] add r0
• [x] refactor WordInfo to not be anticipating mini-word semantics