Add details template

Author: emoacht

docs/TEMPLATE.md

@@ -17,3 +17,12 @@ Probe.log & Operation.log
 ```
 Could you read [Contributing Guidelines](https://github.com/emoacht/Monitorian/blob/9aeb4238af22c60ccc03051f144edd1a5ee9acdb/CONTRIBUTING.md) and post __probe.log__ and __operation.log__? How to produce these logs is explained in [Reporting](https://github.com/emoacht/Monitorian#reporting) section of readme.
 ```
+
+Details
+
+```
+<details>
+  <summary>caption</summary>
+
+</details>
+```