docs(issue): add reference to ionic v1 for v1.x issues (ionic-team#11272)

AmitMY · jgw96 · commit 929799484bb4 · 2017-05-19T09:17:18.000-05:00
diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
@@ -1,5 +1,5 @@
 **Ionic version:**  (check one with "x")
-[ ] **1.x**
+[ ] **1.x** (For Ionic 1.x issues, please use https://github.com/driftyco/ionic-v1)
 [ ] **2.x**
 [ ] **3.x**
 
