Better Bug Report and Issue Templates for Prysm (#5505)

* issue templates
* ask for flags
* Merge branch 'master' into issue-templ
* rules node
* Merge branch 'issue-templ' of github.com:prysmaticlabs/prysm into issue-templ

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: "\U0001F41EBug report"
+about: Report a bug or problem with running Prysm
+---
+<!--💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎
+
+Hellooo! 😄 
+
+To help us tend to your issue faster, please search our currently open issues before submitting a new one.
+Existing issues often contain information about workarounds, resolution, or progress updates.
+
+💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎-->
+
+# 🐞 Bug Report
+
+### Description
+
+<!-- ✍️--> A clear and concise description of the problem...
+
+### Has this worked before in a previous version?
+
+<!-- Did this behavior use to work in the previous version? -->
+<!-- ✍️--> Yes, the previous version in which this bug was not present was: ....
+
+## 🔬 Minimal Reproduction
+
+<!--
+Please let us know how we can reproduce this issue. Include the exact method you used to run Prysm along with any flags used in your beacon chain and/or validator. Make sure you don't upload any confidential files or private keys.
+-->
+
+## 🔥 Error
+
+<pre><code>
+<!-- If the issue is accompanied by an error, please share the error logs with us below. If you have a lot of logs, place make a paste bin with your logs and share the link with us here: -->
+<!-- ✍️-->
+
+</code></pre>
+
+
+## 🌍  Your Environment
+
+**Operating System:**
+
+<pre>
+  <code>
+
+  </code>
+</pre>
+
+**What version of Prysm are you running? (Which release)**
+
+<pre>
+  <code>
+
+  </code>
+</pre>
+
+**Anything else relevant (validator index / public key)?**
+

.github/ISSUE_TEMPLATE/discussion.md

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+---
+name: "\U0001F48EGeneral issue / discussion"
+about: Any other type of general issue or discussion
+
+---
+<!--💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎
+
+Hellooo! 😄 
+
+To help us tend to your issue faster, please search our currently open issues before submitting a new one.
+Existing issues often contain information about workarounds, resolution, or progress updates.
+
+💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎-->
+
+# 💎 Issue
+
+### Background
+
+<!-- ✍️--> Context and background information on the discussion...
+
+### Description

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,27 @@
+---
+name: "\U0001F680Feature request"
+about: Suggest a feature for Prysm
+
+---
+<!--💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎
+
+Hellooo! 😄 
+
+To help us tend to your issue faster, please search our currently open issues before submitting a new one.
+Existing issues often contain information about workarounds, resolution, or progress updates.
+
+💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎💎-->
+
+# 🚀 Feature Request
+
+### Description
+
+<!-- ✍️--> A clear and concise description of the problem or missing capability...
+
+### Describe the solution you'd like
+
+<!-- ✍️--> If you have a solution in mind, please describe it.
+
+### Describe alternatives you've considered
+
+<!-- ✍️--> Have you considered any alternative solutions or workarounds?