🌈style: 调整目录组织，tcpdump源代码放入src目录

cmake/changelog.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+work_path=$1
+branch=`git status | grep branch | awk '{print $NF}'`
+git log --branches=$branch --no-merges --date=local --show-signature --pretty="* %ad %an %ae %nhash: %H%ncommit:%n%B"  | awk -F"-" '{print "- "$0}' | sed 's/- \*/\*/g' | sed 's/- $//g' | sed 's/-/  -/g' | sed 's/[0-9]\{2\}:[0-9]\{2\}:[0-9]\{2\}//g' > $work_path/changelog.txt