Update Github templates

Thanks to Babel for inspiration <3

Author: dg

.github/ISSUE_TEMPLATE/Bug_report.md

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+---
+name: "🐛 Bug Report"
+about: "If something isn't working as expected 🤔"
+
+---
+
+Version: ?.?.?
+
+### Bug Description
+... A clear and concise description of what the bug is. A good bug report shouldn't leave others needing to chase you up for more information.
+
+### Steps To Reproduce
+... If possible a minimal demo of the problem ...
+
+### Expected Behavior
+... A clear and concise description of what you expected to happen.
+
+### Possible Solution
+... Only if you have suggestions on a fix for the bug

.github/ISSUE_TEMPLATE/Feature_request.md

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+---
+name: "🚀 Feature Request"
+about: "I have a suggestion (and may want to implement it) 🙂"
+
+---
+
+- Is your feature request related to a problem? Please describe.
+- Explain your intentions.
+- It's up to you to make a strong case to convince the project's developers of the merits of this feature.

.github/ISSUE_TEMPLATE/Support_question.md

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+---
+name: "🤗 Support Question"
+about: "If you have a question 💬, please check out our forum!"
+
+---
+
+--------------^ Click "Preview" for a nicer view!
+We primarily use GitHub as an issue tracker; for usage and support questions, please check out these resources below. Thanks! 😁.
+
+* Nette Forum: https://forum.nette.org
+* Nette Gitter: https://gitter.im/nette/nette
+* Slack (czech): https://pehapkari.slack.com/messages/C2R30BLKA

.github/ISSUE_TEMPLATE/Support_us.md

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+---
+name: "❤️ Support us"
+about: "If you would like to support our efforts in maintaining this project 🙌"
+
+---
+
+--------------^ Click "Preview" for a nicer view!
+
+> https://nette.org/donate
+
+Help support Nette!
+
+We develop Nette Framework for more than 14 years. In order to make your life more comfortable. Nette cares about the safety of your sites. Nette saves you time. And gives job opportunities.
+
+Nette earns you money. And is absolutely free.
+
+To ensure future development and improving the documentation, we need your donation.
+
+Whether you are chief of IT company which benefits from Nette, or developer who goes for advice on our forum, if you like Nette, [please make a donation now](https://nette.org/donate).
+
+Thank you!