Add development standards and procedures for app deployment

- Add curl timeout requirement (5 seconds)
- Add comprehensive 8-step workflow for new application deployment
- Add troubleshooting procedures for domain availability and SSL certs
- Add infrastructure roadmap for Borg backup server and sops-nix
- Update README with session start protocol and infrastructure tasks

README.md

@@ -1,7 +1,7 @@
 # NixOS Configuration Repository
 
 ## Session Start Protocol
-Always begin by reading agents.md for workflow instructions.
+Always begin by reading agents.md for workflow instructions and development standards.
 
 ## System Installation
 
@@ -37,3 +37,18 @@ nixos-install --flake .#<name> --no-root-password --impure
 nixos-enter --root '/mnt'
 passwd jsutter
 ```
+
+## Infrastructure Roadmap
+
+### Planned Work
+
+#### Borg Backup Server
+- Set up a dedicated Borg backup server for automated backups
+- Configure backup schedules for critical systems
+- Implement retention policies and pruning rules
+
+#### Secrets Management with sops-nix
+- Implement sops-nix for secrets management
+- Move all hardcoded secrets from server configs into sops-nix
+- Set up encryption keys and key rotation policies
+- Document the secrets management workflow