Add gocritic linter (#1324)

* Add gocritic linter

`gocritic` provides diagnostics that check for bugs, performance, and style issues

We disable the following checks:

- commentFormatting
- captLocal
- deprecatedComment

This PR contains many `//nolint:gocritic` to disable `appendAssign`.

management/server/setupkey.go

@@ -137,7 +137,7 @@ func (key *SetupKey) HiddenCopy(length int) *SetupKey {
 // IncrementUsage makes a copy of a key, increments the UsedTimes by 1 and sets LastUsed to now
 func (key *SetupKey) IncrementUsage() *SetupKey {
 	c := key.Copy()
-	c.UsedTimes = c.UsedTimes + 1
+	c.UsedTimes++
 	c.LastUsed = time.Now().UTC()
 	return c
 }