feat: rename the chain-co to sophon-co

[LinZexiao]

Related Issue

ref filecoin-project/venus#5760

[codecov-commenter]

Codecov Report

Merging #54 (03685db) into master (d55627e) will increase coverage by 0.00%.
The diff coverage is 0.00%.

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Additional details and impacted files

@@          Coverage Diff           @@
##           master     #54   +/-   ##
======================================
  Coverage    5.00%   5.00%           
======================================
  Files          23      22    -1     
  Lines        3558    3556    -2     
======================================
  Hits          178     178           
+ Misses       3373    3371    -2     
  Partials        7       7           

Flag	Coverage Δ
unittests	5.00% <0.00%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
cli/api/permission.go	0.00% <ø> (ø)
cli/client.go	0.00% <ø> (ø)
cmd/main.go	0.00% <ø> (ø)
cmd/rpc.go	0.00% <0.00%> (ø)
cmd/run.go	0.00% <ø> (ø)
co/coordinator.go	0.00% <ø> (ø)
co/node.go	0.95% <ø> (ø)
co/node_store_mock.go	71.42% <ø> (ø)
gen/proxy/main.go	0.00% <ø> (ø)
proxy/local.go	0.00% <ø> (ø)
... and 4 more

[simlecode]

lgtm