Update issue templates

Create Bug report template

.github/ISSUE_TEMPLATE/bug_report.md

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+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+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 result**
+A clear and concise description of what you expected to happen.
+
+**Actual result**
+A clear and concise description of what happened instead.
+
+**Console copy-paste**
+Please copy-paste command run and program output
+```terminal
+docker run --rm -v /tmp/test-files:/source edasriyan/lottie-to-webp
+Converting /source/11.json...
+Done.
+
+Converting /source/08.tgs...
+Done.
+
+Segmentation fault...
+```
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Arch: [e.g. arm, x86_64]
+
+**Additional context**
+Add any other context about the problem here.