DevKit updates (#219)

.github/ISSUE_TEMPLATE/Bug.md

@@ -0,0 +1,57 @@
+---
+name: 🐞 Bug Report
+about: Something is broken? 🔨
+---
+
+<!--
+    Before you open an issue, make sure this one does not already exist.
+    Please also read the "guidelines for contributing" link above before posting.
+-->
+
+<!--
+    If you are reporting a bug, please try to fill in the following.
+    Otherwise remove it.
+-->
+
+### Environment
+
+#### Sonata packages
+
+```
+$ composer show --latest 'sonata-project/*'
+# Put the result here.
+```
+
+#### Symfony packages
+
+```
+$ composer show --latest 'symfony/*'
+# Put the result here.
+```
+
+#### PHP version
+
+```
+$ php -v
+# Put the result here.
+```
+
+## Subject
+
+<!--
+    Give here as many details as possible.
+    Next sections are for ERRORS only.
+-->
+
+## Steps to reproduce
+
+## Expected results
+
+## Actual results
+
+<!--
+    If it's an error message or piece of code, use code block tags,
+    and make sure you provide the whole stack trace(s),
+    not just the first error message you can see.
+    More details here: https://github.com/sonata-project/SonataCacheBundle/blob/2.x/CONTRIBUTING.md#issues
+-->

.github/ISSUE_TEMPLATE/Feature.md

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+---
+name: 🚀 Feature Request
+about: I have a suggestion (and may want to implement it 🙂)!
+---
+
+## Feature Request
+
+<!-- Provide a summary of the feature. -->

.github/ISSUE_TEMPLATE/Question.md

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+---
+name: ⛔ NO support questions
+about: If you have a question, please check out our Slack or StackOverflow!
+---
+
+Hi, we try to keep Github issues for bug reports and feature requests only.
+If you have a question, please ask it on Stack Overflow or on #sonata on [the symfony-devs slack](https://symfony.com/slack-invite).