docs: add issue and PR templates

Author: alysnnix

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,26 @@
+---
+name: Bug report
+about: Report something that isn't working correctly
+labels: bug
+---
+
+**What happened?**
+
+
+**What did you expect?**
+
+
+**Steps to reproduce**
+1. 
+2. 
+3. 
+
+**Environment**
+- OS: (e.g. NixOS 24.11, Ubuntu 24.04 on WSL2)
+- Docker version: 
+- devproxy version: 
+
+**Logs**
+```
+Paste relevant output from `devproxy daemon` or `devproxy doctor` here
+```

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,14 @@
+---
+name: Feature request
+about: Suggest an idea or improvement
+labels: enhancement
+---
+
+**What problem does this solve?**
+
+
+**Describe the solution you'd like**
+
+
+**Alternatives you've considered**
+

.github/pull_request_template.md

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+## What does this PR do?
+
+
+## How to test
+1. 
+2. 
+
+## Checklist
+- [ ] `go test ./internal/... ./cmd/...` passes
+- [ ] No new warnings from `go vet`
+- [ ] Relevant tests added/updated