Update issue template (#799)

Author: manidlou

.github/issue_template.md

@@ -1,6 +1,6 @@
 <!-- First ensure you installed the latest version of fs-extra -->
 <!-- If your bug still exists please fill out the following information if it applies to your issue: -->
-- **Operating System:**
 <!-- Please check if you have installed a supported version of Node.js as written in "engines" in the package.json -->
+- **Operating System:**
 - **Node.js version:**
 - **`fs-extra` version:**