fix(templates): create github issues templates folder with correct name

Closes: #61

Author: dimanu-py

instant_python/templates/project_structure/github_issues_template.yml.j2

@@ -1,7 +1,7 @@
 - name: .github
   type: directory
   children:
-    - name: ISSUES_TEMPLATE
+    - name: ISSUE_TEMPLATE
       type: directory
       children:
         - name: github/bug_report