Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a bug report to help us improve BChecks
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+### Current behavior
+
+
+
+### Expected behavior
+
+
+
+### Motivation for change
+
+
+
+### Environment details
+
+  - Burp version:
+  - BCheck language version:
+  - Operating System:
+
+
+### Additional details

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an enhancement for BChecks
+title: "[FEATURE]"
+labels: enhancement
+assignees: ''
+
+---
+
+### What is the problem you are trying to solve?
+
+
+
+### How are you currently being hindered by this problem? 
+
+
+
+### How would you like this problem to be solved? 
+
+
+
+### Any additional details?