Closes #262

Author: sobolevn

.github/issue_template/Bug.md

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+---
+name: Bug
+about: Create a report to help us improve
+labels: 'bug'
+---
+
+# Bug report
+
+<!--
+Hi, thanks for submitting a bug. We appreciate that.
+
+But, we will need some information about what's wrong to help you.
+-->
+
+## What's wrong
+
+<!-- Describe what is not working. Please, attach a traceback. -->
+
+## How is that should be
+
+<!-- Describe how it should work. -->
+
+<!--
+
+  Love dry-python? ❤️
+  Do you want your bugs to be solved faster?
+
+  Please consider supporting us:
+  👉  https://github.com/sponsors/dry-python
+
+-->
+
+## System information
+
+- `python` version:
+- `classes` version:
+- `mypy` version:

.github/issue_template/config.yml

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+# Ref: https://help.github.com/en/github/building-a-strong-community/configuring-issue-templates-for-your-repository#configuring-the-template-chooser
+blank_issues_enabled: true  # default
+contact_links:
+- name: >-
+    💬 Telegram: @drypython
+  url: https://t.me/drypython
+  about: Chat with dry-python devs

.github/pull_request_template.md

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+# I have made things!
+
+<!--
+Hi, thanks for submitting a Pull Request. We appreciate it.
+
+Please, fill in all the required information
+to make our review and merging processes easier.
+
+Cheers!
+-->
+
+## Checklist
+
+<!-- Please check everything that applies: -->
+
+- [ ] I have double checked that there are no unrelated changes in this pull request (old patches, accidental config files, etc)
+- [ ] I have created at least one test case for the changes I have made
+- [ ] I have updated the documentation for the changes I have made
+- [ ] I have added my changes to the `CHANGELOG.md`
+
+## Related issues
+
+<!--
+Mark what issues this Pull Request closes or references.
+
+Format is:
+- Closes #issue-number
+- Refs #issue-number
+
+Example. Refs #0
+Documentation: https://blog.github.com/2013-05-14-closing-issues-via-pull-requests/
+-->
+
+<!--
+If you have any feedback, just write it here.
+
+It can be whatever you want!
+-->
+
+🙏 Please, if you or your company finds `dry-python` valuable, help us sustain the project by sponsoring it transparently on https://github.com/sponsors/dry-python. As a thank you, your profile/company logo will be added to our main README which receives hundreds of unique visitors per day.