Update issue templates

add a template for manuscript progress tracking

Author: donovanr

.github/ISSUE_TEMPLATE/manuscript.md

@@ -0,0 +1,19 @@
+---
+name: Manuscript
+about: Issue to address in manuscript
+title: ''
+labels: manuscript
+assignees: donovanr
+
+---
+
+## Issue summary
+
+
+## Details
+
+
+## TODO
+- [ ] code
+- [ ] manuscript text
+- [ ] figure