Include a feature request template

The issues tab is a nightmare to watch. Duplicates, useless FRs with no worthwhile explanation as to why it needs to be in Olive.

So, here is a proposal to help counter some of the duds that are present right now.

ISSUE_TEMPLATE.md

@@ -1,13 +1,37 @@
+[If you are requesting a feature, please try to fill out all the information below. If you are reporting a bug, you can clear the template below.]
 
-[If you are reporting a bug, please try to fill out all the information below. If you are requesting a feature, you can clear this template.]
+### I have read the following
+
+- [ ] The Olive Wiki
+
+- [ ] Previous issues that include [FR]/[Feature Request]
+
+- [ ] Olive's Project Tab
+
+### Detailed description of the feature request
+
+[Describe the feature request to the best of your ability. Do you know any libraries/sources that can help the Olive Team include the feature?]
+
+### Why should Olive include the feature? What are the benefits?
+
+[Explain why the feature's importance to Olive.]
+
+---
+
+[If you are reporting a bug, please try to fill out all the information below. If you are requesting a feature, you can clear the template above.]
 
 ### System Information
 
 **Olive version:**  [e.g. Git hash from window title or Help > About]
+
 **Source:** [e.g. AppImage, Website etc.]
+
 **Operating system:** [e.g. Ubuntu 18.04 64-bit]
+
 **CPU:** [e.g. Intel i5-4300U]
+
 **RAM:** [e.g. 8GB]
+
 **GPU:** [e.g. NVIDIA Geforce GT 1030 2GB (Driver ver xxx.xx.xx)]
 
 ### Detailed Description
@@ -28,4 +52,4 @@
 
 ```
 [If you can reproduce this issue, try running Olive through GDB and retrieving a backtrace, then paste the backtrace here. Instructions are available in the Wiki on how to acquire this backtrace.]
-```
+```