feat: Make policy available in doc command

[mrueg]

This gives more flexibility when using konstraint doc, we use it to generate a CSV file that looks like this:

P0002,requiredlabels
P1001,containerdenyaddedcaps
P1002,containerdenyescalation
P1003,containerdenyprivileged
P1004,poddenyhostalias
P1005,poddenyhostipc
P1006,poddenyhostnetwork
P1007,poddenyhostpid
P1008,poddenywithoutrunasnonroot
P1009,pspdenyaddedcaps
P1010,pspdenyescalation
P1011,pspdenyhostalias
P1012,pspdenyhostipc
P1013,pspdenyhostnetwork
P1014,pspdenyhostpid
P1015,pspdenyprivileged
P123456,test
P2001,containerdenylatesttag
P2002,containerdenywithoutresourceconstraints
P2005,roledenyuseprivilegedpsps
P2006,containerdenyprivilegediftenant
P0001,anywarndeprecatedapiversions
P0003,policymarkdownpunctuation
P2003,containerwarnnorofs
P2004,pspwarnnorofs

[jalseth]

No reason not to. Thanks!