Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: "[Bug Report] "
+labels: ''
+assignees: ''
+
+---
+
+**Description**
+A clear and concise description of what the bug is.
+
+**Steps to Reproduce**
+
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+
+* Expected: A clear and concise description of what you expected to happen.
+* Actual: A clear and concise description of what actually happened.
+
+**Logs**
+
+If applicable, add logs or screenshots to help explain your problem.
+
+**Environment**
+
+* BerryNet: [e.g. v0.6.2, beta2, etc.]
+* OS: [e.g. Ubuntu 20.04]

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Create a new Feature request to help the project become better.
+title: "[FR] "
+labels: ''
+assignees: ''
+
+---
+
+**Concept**
+If we provide [Feature]
+
+**Reason/Hypothesis**
+
+We can help [who] to [Benefit] or solve [Problem] because we know [who] are [Fact about our target].
+
+**More Description (if any)**
+
+Put more description here to support the concept
+
+**Suggested Implementation (if any)**
+
+Put some suggested implementation here if you already have some ideas in mind