Add issue templates back into the repo

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: triage
+assignees: ''
+
+---
+
+**What version of Invoice Ninja are you running? ie v4.5.25 / v5.0.30**
+
+**What environment are you running?**
+Docker
+Shared Hosting
+ZIP
+Other
+
+**Have you checked log files (storage/logs/) Please provide redacted output**
+
+**Have you searched existing issues?**
+
+**Have you reported this to Slack/forum before posting?**
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**Steps To Reproduce**
+Please list the steps to reproduce the issue
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.
+
+<!-- Note: Before posting don't forget to check our "Troubleshooting" category in the [docs](https://invoiceninja.github.io/docs/self-host-troubleshooting/) (https://invoiceninja.github.io/docs/self-host-troubleshooting/) -->
+
+**(v5) Can you replicate the issue on our demo site? https://demo.invoiceninja.com**

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature request
+assignees: ''
+
+---
+
+**What version of Invoice Ninja are you running? ie v4.5 / v5**
+
+**What environment are you running?**
+Docker
+Shared Hosting
+ZIP
+Other
+
+**Have you searched existing issues/requests?**
+
+**Screenshots**
+If applicable, add screenshots to help explain your request/question.
+
+**Additional context**
+Add any other context about the request/question here.