Track integration demands in integration category

[hackfisher]

and I invited @fewensa from Itering to track these issues and try to address them according to priority and votes before we find a good Integration Specialist candidate under DCDAO's ccosystem program cc @casinoyoda

@fewensa is currently devsecops of Itering and contributor of several important repos like bridger, ormppipe, darwinia community rpc etc.

https://github.com/orgs/dcdao/discussions/categories/integration