patching/project_cache library

1. dpk package
2. documentation
3. patching/project_cache.dart

dpk package

1. Libraries
2. catalog/catalog_application
3. catalog/pubspec_updates
4. commands/catalog_command
5. commands/clean_command
6. commands/doctor_command
7. commands/dpk_command
8. commands/exec_command
9. commands/get_command
10. commands/init_command
11. commands/list_command
12. commands/patch_command
13. commands/pub_passthrough_command
14. commands/release_command
15. commands/run_command
16. commands/skills_command
17. config/config_migration
18. config/config_reader
19. config/dpk_config
20. config/project
21. constants/embedded_dpk_skill
22. constants/pubspec
23. core/command_runner
24. core/console
25. core/constants
26. core/context
27. core/errors
28. core/invocation
29. core/process_runner
30. core/self_command
31. core/shell
32. patching/git
33. patching/project_cache
34. release/conventional_commit
35. release/release_plan
36. scripts/hook_lifecycle
37. scripts/run_plan
38. scripts/script_executor
39. utils/pubspec_sorter
40. utils/terminal_title
41. utils/version_output
42. workspace/workspace