chore(feedbak): refactor feedback dispatch and configuration handling

[appleboy]

fix #686

• Removed nolint comment from config.go
• Reorganized and added comments for sync and feedback_hook_url in config.go
• Added feedback_header to config.go and config.yml
• Moved FeedbackURL and FeedbackTimeout in config.go
• Updated github.com/klauspost/compress version in go.mod
• Added extractHeaders function in feedback.go to convert a slice of strings to a map
• Updated DispatchFeedback function in feedback.go to include headers
• Updated tests in feedback_test.go to include headers in DispatchFeedback function calls
• Updated SendNotification function in notification.go to include headers in DispatchFeedback function call

[codecov-commenter]

Codecov Report

Merging #745 (3dfbaec) into master (781cf8f) will increase coverage by 0.21%. The diff coverage is 93.33%.

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@@            Coverage Diff             @@
##           master     #745      +/-   ##
==========================================
+ Coverage   66.88%   67.09%   +0.21%     
==========================================
  Files          22       22              
  Lines        2029     2042      +13     
==========================================
+ Hits         1357     1370      +13     
  Misses        617      617              
  Partials       55       55              

Flag	Coverage Δ
	67.09% <93.33%> (+0.21%)	:arrow_up:
go-	67.09% <93.33%> (+0.21%)	:arrow_up:

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

Impacted Files	Coverage Δ
notify/notification.go	62.74% <0.00%> (ø)
config/config.go	95.62% <100.00%> (+0.03%)	:arrow_up:
notify/feedback.go	86.95% <100.00%> (+4.60%)	:arrow_up: