Only one issue template

.github/ISSUE_TEMPLATE/issue.md

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+---
+name: Issue
+about: Report an issue
+title: ""
+labels:
+assignees: ''
+
+---
+<!--
+INSTRUCTIONS
+============
+
+Please read these instructions before submitting your issue.
+
+If this is the first time you interact on this project, welcome to the community!
+In this case, please give a bit of information on how you are using Hello ImGui (in which project, how long you have been using it, etc.).
+
+Please check existing issues and discussions for similar reports before submitting a new one.
+
+
+Describe the issue
+------------------
+Provide a clear and concise description of what the issue is. Include logs or code snippets if necessary. Also, please make sure that your issue's title reflects this concise description.
+
+
+Version & Platform
+------------------
+Mention
+- the version of Hello ImGui you are using (e.g., a version number or commit hash and/or date).
+- the platform you are using (e.g., Windows 10, Linux, Mac, iOS, Android, emscripten).
+- the language you are using: Python or C++: [e.g., Python 3.8, C++ 17]
+
+If relevant, also include:
+- Compiler (if applicable): [e.g., GCC 10.2, MSVC 2019]
+- platform backend, e.g., SDL2, GLFW
+- rendering backend, e.g., OpenGL, Vulkan, DirectX, Metal
+
+
+
+Minimal reproducible example
+----------------------------
+Please, please do try to provide a minimal reproducible example that reproduces the issue, either in C++ or Python.
+See:
+    https://stackoverflow.com/help/minimal-reproducible-example
+
+For C++, use a code block like this:
+```cpp
+// Your code here... (a compilable example, including the main function)
+```
+
+For Python, use a code block like this:
+```python
+# Your code here... (a runnable example)
+```
+
+Remove these instructions (between `<! --` and `-->`) once you have read them.
+
+-->