Closes#562
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
## Release Notes
* **New Features**
* Improved repository setup with context-aware descriptions for new vs. existing repositories
* Enhanced path handling: unique identifiers automatically appended for new repositories, exact paths preserved when importing existing ones
* **Chores**
* Updated documentation and build configuration
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
* feat: edit repository form
* refactor: local repo path concat as a code migration
* refactor: server constants
* chore: fix lint issue in test file
* refactor: add auth to getServerConstants
Implements bandwidth limits for repository uploads and downloads.
Adds UI components to configure bandwidth limits.
Adds database fields to store bandwidth limit configuration.
Integrates bandwidth limiting into restic commands.
* feat: add support for SFTP volume backend
* feat: allow more secure SFTP connection with known hosts
* refactor: make default value for skip host key check to false
* refactor: use os.userInfo when setting uid/gid in mount commands
- Add shared client constants file with REPOSITORY_BASE
- Show effective local path in repository info tab
- Update host mount warning to clarify default path is safe when using recommended Docker setup
- Update README to clarify local repositories can use custom paths
