allow list for proxy

[bubbajoe]

add allow list for proxy
fix other misc smells and bugs
Add dgate cli to the readme

[codecov]

Codecov Report

Attention: Patch coverage is 21.81818% with 86 lines in your changes missing coverage. Please review.

Project coverage is 39.61%. Comparing base (eee44cb) to head (21dfce0).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/proxy/proxy_state.go	10.25%	32 Missing and 3 partials ⚠️
internal/proxy/dynamic_proxy.go	10.00%	17 Missing and 1 partial ⚠️
pkg/util/iplist/iplist.go	0.00%	11 Missing ⚠️
internal/proxy/change_log.go	23.07%	9 Missing and 1 partial ⚠️
internal/config/loader.go	0.00%	6 Missing and 1 partial ⚠️
internal/proxy/proxy_handler.go	50.00%	3 Missing ⚠️
internal/proxy/reverse_proxy/reverse_proxy.go	83.33%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #17      +/-   ##
==========================================
- Coverage   40.76%   39.61%   -1.15%     
==========================================
  Files         114      114              
  Lines        9820    11429    +1609     
==========================================
+ Hits         4003     4528     +525     
- Misses       5313     6399    +1086     
+ Partials      504      502       -2     

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