Update issue templates

.github/ISSUE_TEMPLATE/bug-report--not-a-mistake-in-the-content-.md

@@ -0,0 +1,38 @@
+---
+name: Bug report (NOT A MISTAKE IN THE CONTENT)
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+ - Version [e.g. 22]
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature-request--not-a-bug-or-topic-suggestion-.md

@@ -0,0 +1,20 @@
+---
+name: Feature request (NOT A BUG OR TOPIC SUGGESTION)
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/ISSUE_TEMPLATE/mistake-in-the-content.md

@@ -0,0 +1,23 @@
+---
+name: Mistake in the content
+about: You found a mistake in a text or a miss-spelled word
+title: ''
+labels: content
+assignees: ''
+
+---
+
+**Describe the mistake**
+A clear and concise description of what the mistake is.
+
+**Link**
+Please insert a link to the page.
+
+**Expected**
+A clear and concise description of what you expected.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.