Update issue templates

Author: hatton

.github/ISSUE_TEMPLATE/conversion-problem.md

@@ -0,0 +1,30 @@
+---
+name: Conversion Problem
+about: Report a problem going from Notion to Markdown
+title: "[Problem]"
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+** Reproduction Steps **
+
+URL of a source Notion page that, when docu-notion accesses or converts it, shows the problem:
+
+At least one of these:
+1) URL of a docusuarus site showing the resulting page
+2) URL of a markdown of the resulting page
+3) a code block where you paste in part of the markdown showing the resulting page
+4) a code block showing a console error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Screenshots**
+If applicable, add screenshots to help explain your problem.
+
+**Additional context**
+Add any other context about the problem here.