- Add cpu_limit (REAL) and memory_limit (INTEGER) columns to apps table
via migration 007
- Add CPULimit and MemoryLimit fields to App model with full CRUD support
- Add resource limits fields to app edit form with human-friendly
memory input (e.g. 256m, 1g, 512k)
- Pass CPU and memory limits to Docker container creation via
NanoCPUs and Memory host config fields
- Extract Docker container creation helpers (buildEnvSlice, buildMounts,
buildResources) for cleaner code
- Add formatMemoryBytes template function for display
- Add comprehensive tests for parsing, formatting, model persistence,
and container options
