Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to let us know about issue in Rspamd
+title: "[BUG]"
+labels: bug
+assignees: ''
+
+---
+
+<!--
+
+Do you want to ask a question? Are you looking for support? Here are the places where you can get what you need: https://rspamd.com/support.html
+
+-->
+
+### Prerequisites
+
+* [ ] Put an X between the brackets on this line if you have done all of the following:
+    * Read about bug reporting in general: https://rspamd.com/doc/faq.html#how-to-report-bugs-found-in-rspamd
+    * Enabled relevant debugging logs: https://rspamd.com/doc/faq.html#how-to-debug-some-module-in-rspamd 
+    * Checked the FAQs about Core files in case of fatal crash: https://rspamd.com/doc/faq.html#how-to-figure-out-why-rspamd-process-crashed
+    * Checked that your issue isn't already filed: https://github.com/issues?utf8=%E2%9C%93&q=is%3Aissue+user%3Arspamd
+    * Checked that there is not already an experimental package or master branch
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+### Steps to Reproduce
+
+1. [First Step]
+2. [Second Step]
+3. [and so on...]
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+### Versions
+
+You can get this information from copy and pasting the output of `rspamd --version` from the command line. Also, please include the **OS** and what version and architecture including the generation of CPU model (e.g. Haswell) where applicable,  of the OS you're running.
+
+### Additional Information
+
+Any additional information, configuration or data that might be necessary to reproduce the issue.

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for Rspamd
+title: "[Feature]"
+labels: enhancement
+assignees: ''
+
+---
+
+<!--
+
+Do you want to ask a question? Are you looking for support? Here are the places where you can get what you need: https://rspamd.com/support.html
+
+-->
+
+## Summary
+
+One paragraph explanation of the feature.
+
+## Motivation
+
+Why are we doing this? What use cases does it support? What is the expected outcome?
+
+## Describe alternatives you've considered
+
+A clear and concise description of the alternative solutions you've considered. Be sure to explain why Rspamd's existing customizability isn't suitable for this feature.
+
+## Additional context
+
+Add any other context about the feature request here.