Update issue templates (#1075)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,15 @@
+---
+name: Bug report
+about: Create a report to help us improve app
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Desktop (please complete the following information):**
+ - Czkawka version [e.g. 6.0.0 cli/gui]:
+ - OS version [e.g Ubuntu 22.04, Windows 11]:
+
+**Bug Description**
+...

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,11 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**Feature Description**
+...