Add empty release note for 1.8.1
diff --git a/src/site/markdown/release-notes/1.8.1.md b/src/site/markdown/release-notes/1.8.1.md
new file mode 100644
index 0000000..5c00491
--- /dev/null
+++ b/src/site/markdown/release-notes/1.8.1.md
@@ -0,0 +1,2 @@
+Apache Axis2 1.8.1 Release Note
+-------------------------------