Update issue templates

.github/ISSUE_TEMPLATE/custom.md

@@ -0,0 +1,10 @@
+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+

.github/ISSUE_TEMPLATE/story.md

@@ -0,0 +1,21 @@
+---
+name: Story
+about: New feature that has been prioritized
+title: "[STORY]"
+labels: story
+assignees: ''
+
+---
+
+**User Story**
+A clear and concise description of what the task is in the form of a user story if possible.
+As a ..., I want to ..., so I can ...
+
+**Acceptance Criteria**
+A clear and concise description of the expected requirements or behaviors.
+
+**Mockups**
+If applicable, add mockups or screenshots to help explain the work.
+
+**Additional context**
+Add any other context about the problem here.