Update issue templates (#26)

Author: csala

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Report an error that you found when using DeepEcho
+title: ''
+labels: bug, pending review
+assignees: ''
+
+---
+
+### Environment Details
+
+Please indicate the following details about the environment in which you found the bug:
+
+* DeepEcho version:
+* Python version:
+* Operating System:
+
+### Error Description
+
+<!--Replace this text with a description of what you were trying to get done.
+Tell us what happened, what went wrong, and what you expected to happen.-->
+
+### Steps to reproduce
+
+<!--Replace this text with a description of the steps that anyone can follow to
+reproduce the error. If the error happens only on a specific dataset, please
+consider attaching some example data to the issue so that others can use it
+to reproduce the error.-->
+
+```
+Paste the command(s) you ran and the output.
+If there was a crash, please include the traceback here.
+```

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,24 @@
+---
+name: Feature request
+about: Request a new feature that you would like to see implemented in DeepEcho
+title: ''
+labels: new feature, pending review
+assignees: ''
+
+---
+
+### Problem Description
+
+<!--Replace this with a description of the problem that you think DeepEcho should be able
+to solve and is not solving already-->
+
+### Expected behavior
+
+<!--Replace this a clear and concise description of what you would expect DeepEcho with regards
+with the described problem. If possible, explain how you would like to interact with DeepEcho
+and what the outcome of this interaction would be.-->
+
+### Additional context
+
+<!--Please provide any additional context that may be relevant to the issue here. If none,
+please remove this section.-->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,33 @@
+---
+name: Question
+about: Doubts about DeepEcho usage
+title: ''
+labels: question, pending review
+assignees: ''
+
+---
+
+### Environment details
+
+If you are already running DeepEcho, please indicate the following details about the environment in
+which you are running it:
+
+* DeepEcho version:
+* Python version:
+* Operating System:
+
+### Problem description
+
+<!--Replace this with a description of the problem that you are trying to solve using DeepEcho. If
+possible, describe the data that you are using, or consider attaching some example data
+that others can use to propose a working solution for your problem.-->
+
+### What I already tried
+
+<!--Replace with a description of what you already tried and what is the behavior that you observe.
+If possible, also add below the exact code that you are running.-->
+
+```
+Paste the command(s) you ran and the output.
+If there was a crash, please include the traceback here.
+```