Update issue templates (#288)

* Update issue templates

* add bug emoji

* add rocket ship emoji

* modifying gh issues templates

* consolidating bug report template

* adding new feature prioritization comments

* whoops

Author: ian-scale

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,41 @@
+---
+name: "\U0001F41B Bug report"
+about: Submit a bug report to help us improve LLM Engine. If this doesn't look right, [choose a different type.](https://github.com/scaleapi/llm-engine/issues/new/choose)
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+Thank you for taking the time to file a bug report! Before you do so, please take a look at existing open issues and make sure that your issue is not already documented. If it isn't, please provide us with a clear and concise description of what the bug is.
+
+**LLM Engine Version**
+- LLM Engine Version: 
+
+**System Version**
+- Python Version: 
+- Operating System: 
+
+**Timestamp and Request ID**
+_If you ran into an internal error while using `llm-engine`, please provide the following_
+- Timestamp:
+- Request ID: 
+
+**Minimal Reproducible Example**
+Steps to reproduce the behavior:
+1. Install LLM Engine '....'
+2. Make API call '....'
+3. See error
+
+Please provide a code snippet that documents how your bug can be reproduced.
+```
+import llmengine
+...
+```
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,10 @@
+---
+name: Custom issue template
+about: If your issue doesn't fall into a bug template or feature request, please provide some information on it here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: "\U0001F680 Feature request"
+about: Suggest an idea for this project
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+## Feature Request
+
+**What is the problem you're currently running into?**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Why do you want this feature?**
+A clear and concise description of why you want the feature.
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.
+
+### Prioritization
+
+- **Does this feature block you from using the project?**
+  - [ ] Yes
+  - [ ] No
+
+- **How many users will benefit from this feature?**
+  - [ ] Just me
+  - [ ] Few people might benefit
+  - [ ] Many users will love it!
+
+- **Complexity**
+  - [ ] I believe it's a simple feature to implement
+  - [ ] It might require some effort to implement
+  - [ ] It's probably complex, and might take significant effort
+
+---
+
+Thank you for your contribution to `llm-engine`. Please ensure you've given the feature considerable thought before submitting it. Once your feature request is accepted, and you're interested in building it, please mention it so that the maintainers can guide you!
+