create issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Report a gameplay bug. Compilation issues do not count.
+title: 'Bug report: '
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Write clear step-by-step instructions on how to reproduce the bug from a new world:
+1. 
+2. 
+3. 
+
+**Expected behavior**
+A clear and concise description of what you expected to happen, compared to what actually happened.
+
+**Screenshots**
+If applicable, add screenshots or videos to help explain your problem.
+
+**Minecraft client details:**
+- Version:
+- Mods:
+
+**Platform (if desktop):**
+ - Operating System:
+ - CPU:
+
+**Platform (if ESP variant):**
+ - Chip:
+ - Development board:
+ - Power supply:
+ - Internet properties:
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest a gameplay feature or enhancement. Development tooling does not count.
+title: 'Feature request:'
+labels: feature request
+assignees: ''
+
+---
+
+**Describe the feature:**
+A clear and concise description of the feature you wish to see implemented.
+
+**Explain why this feature is necessary:**
+A clear and concise explanation of why this feature is important. Consider what compromises are made to memory/performance and weigh your arguments against those.
+
+**Are you planning on implementing this yourself? If so, explain the approach you intend to take:**

.github/ISSUE_TEMPLATE/optimization-idea.md

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+---
+name: Optimization idea
+about: Suggest a potential memory or performance optimization.
+title: 'Optimization: '
+labels: optimization
+assignees: ''
+
+---
+
+**Describe the optimization:**
+A clear and concise description of the optimization you wish to implement or see implemented.
+
+**Explain why this feature is necessary:**
+A clear and concise explanation of the effects of this optimization, and why it is important. Please remember that this project's priorities are **memory first, performance second**. If your suggestion requires compromising memory usage for performance, make a case for why the tradeoff is worth it.
+
+**Are you planning on implementing this yourself? If so, explain the approach you intend to take:**