**Summary**
Add operational mode for VPP with recommended configuration options and calculations
Based on the number of expected prefixes, generatea configuration recommendation do VPP
**Use case**
Help to set the correct parameters for VPP depending on amount of prefixes
**Additional information**
For example, for 1.000.000 prefixes and 2 workers
Proposed CLI:
```
generate vpp config prefixes 1000000 workers 2
```
will generate output:
```
set system option kernel memory default-hugepage-size '2M'
set system option kernel memory hugepage-size 2M hugepage-count '3000'
set vpp settings memory main-heap-page-size 2M
set vpp settings memory main-heap-size 3G
set vpp settings statseg size 128M
```
More complex config can include maximum recommended memory utilization (optional)
```
generate vpp config max-memory
```