- Added `additional_allowed_cidr_ingress` and `additional_allowed_cidr_egress` fields to `TenantNetworkPolicy` to allow specifying custom CIDR blocks for network access.
- Updated K8sTenantManager to parse and apply these CIDR rules to NetworkPolicy ingress and egress rules.
- Added `cidr` dependency to `harmony_macros` and a custom proc macro `cidrv4` to easily parse CIDR strings.
- Updated TenantConfig to default inter tenant and internet egress to deny all and added default empty vectors for CIDR ingress and egress.
- Updated ResourceLimits to implement default.
Reviewed-on: https://git.nationtech.io/NationTech/harmony/pulls/60
Co-authored-by: Jean-Gabriel Gill-Couture <jg@nationtech.io>
Co-committed-by: Jean-Gabriel Gill-Couture <jg@nationtech.io>
