Create bug_report.md

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+<!-- READ THIS FIRST:
+- If you need additional help with this template please refer to https://www.home-assistant.io/help/reporting_issues/
+- Make sure you are running the latest version of Home Assistant before reporting an issue: https://github.com/home-assistant/home-assistant/releases
+- Provide as many details as possible. Do not delete any text from this template!
+-->
+
+**Checklist:**
+
+- [ ] I updated to the latest version available
+- [ ] I cleared the cache of my browser
+
+**Release with the issue:**
+
+**Last working release (if known):**
+
+**Browser and Operating System:**
+
+<!--
+Provide details about what browser (and version) you are seeing the issue in. And also which operating system this is on. If possible try to replicate the issue in other browsers and include your findings here.
+-->
+
+**Description of problem:**
+
+<!--
+Explain what the issue is, and how things should look/behave. If possible provide a screenshot with a description.
+-->
+
+**Javascript errors shown in the web inspector (if applicable):**
+
+```
+
+```
+
+**Additional information:**