add master-2019-02-15.txt

lilongjie · lilongjie · commit d1214f4a9739 · 2019-02-15T15:02:13.000+08:00
diff --git a/learn-git/master-2019-02-15.txt b/learn-git/master-2019-02-15.txt
@@ -0,0 +1 @@
+today is friday ! we are happy!
