Updated with v0.3

- Standardized 3-base expo locations with optional defensive terrain modifications.
- Removed main base destructible rocks.. Was a false-choice strategic error for lower-tier players without clear benefits.
- Main2Main reduced to 56, down from 60.
- Nat2Nat reduced to 46, down from 50.
- Enlarged pathways between southern expos.
- Split southern Xel'Naga tower to both sides to improve utility and frequency of use.