add readme

wwj718 · wwj718 · commit a2be4ed0ae54 · 2019-05-08T14:49:19.000+08:00
diff --git a/readme.md b/readme.md
@@ -0,0 +1,2 @@
+# readme
+[开源与机器学习相关的Scratch插件](http://blog.just4fun.site/scratch-extension-knn)

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`@@ -0,0 +1,2 @@`
	`1`	`+# readme`
	`2`	`+[开源与机器学习相关的Scratch插件](http://blog.just4fun.site/scratch-extension-knn)`