DL-182: assembled package should include README.md

Author: xieliang <xieliang007@gmail.com>

Reviewers: Sijie Guo <sijie@apache.org>

Closes #112 from xieliang/DL-182-assembled
diff --git a/src/assemble/src.xml b/src/assemble/src.xml
index 395f2b3..7031e06 100644
--- a/src/assemble/src.xml
+++ b/src/assemble/src.xml
@@ -27,7 +27,7 @@
       <directory>.</directory>
       <useDefaultExcludes>true</useDefaultExcludes>
       <includes>
-        <include>**/README</include>
+        <include>**/README.md</include>
         <include>**/LICENSE</include>
         <include>**/NOTICE</include>
         <include>**/pom.xml</include>