feat: incremental model builds on cache views

[louisjoecodes]

Changes:

• Improved build output
• Implement cache view builds to skip models that have not changed (and their upstream dependencies) quary build -i

Todo:

• Need to extend test-case to cover changing downstream model.
• As we are using CASCADE in Postgres, cache views are destroyed when a model is rebuilt. Need to create a test to check if this breaks our caching mechanism.