Add install option to only update binaries

[dvstans]

Currently the cmake install target re-installs everything each time it is run. This creates an issue during development if temporary changes are made to configurations or service daemons as these changes get overwritten. It would be helpful to add install targets for each category separately (bin, config, service). The cmake build already has targets for individual components (core, repo, web), so perhaps this could be implemented with environment variables or support scripts.

[dvstans]

Another option is to support a "development mode" target where instead of copying files to the install directory, links are used for binaries and web files. This would allow changes made to be immediately visible when services are restart without need to reinstall.