Web API - Battleframes Constraint Upgrade

;Usage
clientapi_host.."/api/v2/characters/"..USER_ID.."/battleframes/"..FRAME_ID.."/constraint_levels/upgrade"
;Examples:
;Input:
<nowiki>
{
 "items":{
 "nil":1
 },
 "resources":{
 "03-01nyl-ch-50-7h-ch-9z-00-00-00":7387,
 "03-01nym-fy-9k-6e-cr-fy-00-00-00":107,
 "03-01nyl-fb-64-97-fb-c9-00-00-00":215,
 "03-01nym-gf-9v-6k-d5-gf-00-00-00":7833,
 "03-01nyn-ek-bn-ek-5u-8q-00-00-00":9458
 },
 "constraints":{
 "power":10
 }
}
</nowiki>
;Outputs
<nowiki>
{}
</nowiki>
Category:Web_API