Update issue templates - tweak

Author: mattpass

.github/ISSUE_TEMPLATE/tweak-suggestion.md

@@ -0,0 +1,17 @@
+---
+name: Tweak suggestion
+about: Could something be tweaked to make it better?
+title: ''
+labels: Tweak
+assignees: ''
+
+---
+
+**It would be so much better if we could tweak...**
+Explain your thoughts here. The more info the better if it's a complicated tweak. Be sure to suggest something many people would like however!
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the tweak suggestion here.