integrate openGov

[wangjj9219]

TODO: config parameters and custom-origin

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 67.63%. Comparing base (5ffbaf9) to head (3679d07).
⚠️ Report is 160 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2635      +/-   ##
==========================================
- Coverage   67.71%   67.63%   -0.08%     
==========================================
  Files          71       70       -1     
  Lines        9297     8593     -704     
==========================================
- Hits         6295     5812     -483     
+ Misses       3002     2781     -221     

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[wangjj9219]

already tested origins WhitelistedCaller, ReferendumCanceller, ReferendumKiller. Currently GeneralAdmin/GeneralAdminOrRoot is not configured for any Origin of pallet::Config