.github: add issue templates

Is this a good idea?

Change-Id: I0e36bcbd1aea1d20c0b55ce8856c607a8c775e61

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: "\U0001F41B Bug report"
+about: Bugs encountered while using Storj DCS or running a storage node.
+title: ''
+labels: Bug
+assignees: ''
+---
+
+<!--
+Please make sure that we do not have any duplicates already open. 
+You can ensure this by searching the issue list for this repository. 
+If there is a duplicate, please close your issue and add a comment to the 
+existing issue instead.
+
+For more information about reporting issues, see
+https://github.com/storj/storj/blob/main/docs/storagenode/CONTRIBUTING.md
+
+---------------------------------------------------
+GENERAL SUPPORT INFORMATION
+---------------------------------------------------
+
+The GitHub issue tracker is for bug reports and feature requests.
+General support can be found at the following locations:
+
+- Storj Community Forum - https://forum.storj.io
+- File a ticket at https://support.storj.io/
+
+---------------------------------------------------
+BUG REPORT INFORMATION
+---------------------------------------------------
+-->
+
+**Description**
+
+<!--
+Provide a more detailed introduction to the issue itself, and why you consider it to be a bug
+-->
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Steps to reproduce the issue:**
+<!-- Provide a link to a live example, or an unambiguous set of steps to -->
+<!-- reproduce this bug. Include code to reproduce, if relevant -->
+<!-- You can open a PR with a failing test instead -->
+1.
+2.
+3.
+
+**Describe the results you expected:**
+
+
+**Describe the results you received:**
+
+
+**Possible Fix**
+<!--- Not obligatory, but suggest a fix or reason for the bug -->
+
+**Additional information you deem important (e.g. issue happens only occasionally):**
+
+
+**Logs:**
+
+```
+(paste your logs here)
+```
+
+**Your environment**
+<!--- Include as many relevant details about the environment you experienced the bug in -->
+- Operating system and version:
+- Additional environment details (Raspberry PI, Docker, VMWare, etc.):

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: true
+contact_links:
+  - name: Ask a general question or open a discussion
+    about: For general-purpose questions and answers, please check out the Storj community forum.
+    url: https://forum.storj.io
+  - name: For general Support
+    about: Please file a ticket at our support page
+    url: https://support.storj.io/

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: "⭐ Feature request"
+about: Suggest an idea for this project, or a problem you'd like to solve
+title: ''
+labels: Enhancement
+assignees: ''
+---
+
+**Describe the feature or problem you'd like to solve**
+<!-- 
+A clear and concise description of what the feature or problem is.
+e.g. I'm always frustrated when [...] so having [...] 
+-->
+
+**Propose a Solution**
+<!-- 
+A clear and concise description of what you want to happen 
+and alternatives you have considered. 
+-->
+
+**Additional context**
+<!-- Add any other context or screenshots about the feature request here. -->

.github/SECURITY.md

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+If you believe you've found a security vulnerability, please send your report to security-reports@storj.io.
+
+We greatly value security, and we may publicly thank you for your report, although we keep your name confidential if you request it.