Apply linter autofixes: internal/globals, log, models, pidlock, s3 (refs #61)

internal/pidlock/pidlock.go

@@ -77,6 +77,7 @@ func (l *Lock) Release() error {
 	}
 
 	l.path = "" // Prevent double-release
+
 	return nil
 }
 
@@ -104,5 +105,6 @@ func isProcessRunning(pid int) bool {
 
 	// On Unix, FindProcess always succeeds. We need to send signal 0 to check.
 	err = process.Signal(syscall.Signal(0))
+
 	return err == nil
 }