Add upload-from-url so admins can paste an HTTP(S) link and let the control
plane download the archive with browser-like headers. Private/LAN hosts and
insecure TLS certificates are allowed for internal artifact stores; package
size and format checks reuse the existing local-upload pipeline.
- Merge all files inside openflare-server to the repository root directory.
- Relocate agent, relay, and flared subprojects from internal/ to internal/apps/.
- Combine docker-compose files and update build context paths to root.
- Update GitHub workflows and Dockerfiles to refer to new directories and package names.
- Rewrite Go package imports across all files.
- Resolve database renew test race condition and clean up docs.