Deploy the federation based on bloxes

The config sample: https://snippet.vraiment.top/?fe680454ba789b44#HTziiZNPvTFCMx5XxmYSbae38HmeugA2hMTf5U1GVbG1

Need to:

1. write the new config for all blocks
2. replace standalone instances with a server:// for all federation:// endpoints
3. implement the global federation mecanism
4. keep skills pointing to the community URL but change it for a federation including community for the others
5. update all existing configuration