feat: Add support for as_constraint, remove deprecated methods, move types to subpackages (#30)

- Removed old penalize(constraint_name, ...) overloads
- Removed camelCase names for Joiners and ConstraintCollectors
- Made valuerange and score lazily load types that require the JVM
  to be started
- Import all subpackages inside the main package so users do not
  need to import a specific subpackage to use its contents
- Move all classes to specific tempoarily packages. The packages
  of the classes may change at a later date, but doing this make
  it easier to do the refactor
- Split up large code files into multiple smaller files
- Deleted the no longer applicable cloning test
- Use star import in tests

Author: Christopher-Chianelli

setup.py

@@ -97,8 +97,9 @@ def find_stub_files(stub_root: str):
         'License :: OSI Approved :: Apache Software License',
         'Operating System :: OS Independent'
     ],
-    packages=['timefold.solver', 'timefold.solver.config', 'timefold.solver.constraint', 'timefold.solver.score',
-              'timefold.solver.types', 'timefold.solver.test', 'timefold.solver.valuerange',
+    packages=['timefold.solver', 'timefold.solver.api', 'timefold.solver.annotation',
+              'timefold.solver.config', 'timefold.solver.constraint', 'timefold.solver.score',
+              'timefold.solver.test', 'timefold.solver.valuerange',
               'jpyinterpreter',
               'java-stubs', 'jpype-stubs', 'ai-stubs'],
     package_dir={