Merge sso://github/beevik/etree, add mandatory files

Bug: 158031244
Test: N/A

Change-Id: Idda5b583f92c0d952e1af23dcf90eed94db2f843
diff --git a/METADATA b/METADATA
new file mode 100644
index 0000000..bcfee03
--- /dev/null
+++ b/METADATA
@@ -0,0 +1,20 @@
+name: "go-etree"
+description:
+    "The etree package is a lightweight, pure go package that expresses XML in "
+    "the form of an element tree. Its design was inspired by the Python "
+    "ElementTree module."
+
+third_party {
+  url {
+    type: HOMEPAGE
+    value: "https://github.com/beevik/etree"
+  }
+  url {
+    type: GIT
+    value: "https://github.com/beevik/etree.git"
+  }
+  version: "v1.1.0"
+  last_upgrade_date { year: 2020 month: 2 day: 22 }
+  license_type: NOTICE
+}
+
diff --git a/MODULE_LICENSE_BSD b/MODULE_LICENSE_BSD
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/MODULE_LICENSE_BSD