add wordcount

tools/wordcount/README.md

@@ -0,0 +1,16 @@
+# 全书字数统计
+
+## 使用说明
+
+首先需要安装`cnworcount`，见：https://github.com/rootsongjc/cnwordcount
+
+在该目录下执行：
+
+```bash
+./wordcount
+...
+usecases/service-mesh.md 1306
+usecases/spark-standalone-on-kubernetes.md 285
+usecases/understanding-serverless.md 3481
+Total 136674
+```

tools/wordcount/wordcount.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Count Chinese characters
 total=0
-basedir="../"
+basedir="../../"
 for x in `cd $basedir;fd -e md`
 do
     i=`cnwordcount -f $basedir/$x|cut -d " " -f2`