add config for protocol and pattern

[wangforthinker]

Signed-off-by: allen.wq [email protected]

Ⅰ. Describe what this PR did

Add config for protocol and pattern when dfdaemon starts with config.

Ⅱ. Does this pull request fix one issue?

NONE.

Ⅲ. Why don't you add test cases (unit test/integration test)? (你真的觉得不需要加测试吗？)

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[codecov-commenter]

Codecov Report

Merging #1373 into master will decrease coverage by 0.14%. The diff coverage is 5.71%.

@@            Coverage Diff             @@
##           master    #1373      +/-   ##
==========================================
- Coverage   51.80%   51.65%   -0.15%     
==========================================
  Files         135      136       +1     
  Lines        8803     8831      +28     
==========================================
+ Hits         4560     4562       +2     
- Misses       3866     3892      +26     
  Partials      377      377              

Impacted Files	Coverage Δ
dfdaemon/config/config.go	100.00% <ø> (ø)
dfdaemon/proxy/pattern_matcher.go	0.00% <0.00%> (ø)
dfdaemon/proxy/proxy.go	10.48% <0.00%> (-0.05%)	:arrow_down:
cmd/dfdaemon/app/root.go	67.00% <100.00%> (+0.67%)	:arrow_up:

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[lowzj]

@inoc603 PTAL

[wangforthinker]

Add PatternMatcher to match url request to choose pattern. @inoc603 @lowzj PTAL.

[inoc603]

@wangforthinker I think we need some unit tests for PatternMatcher