Update issue templates

.github/ISSUE_TEMPLATE/feature-specification.md

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+---
+name: Feature Specification
+about: A fully scoped feature with designs, requirements, and implementation plan
+title: 'Feature: '
+labels: ":rocket: Feature"
+assignees: ''
+
+---
+
+_If your feature requires designs, UI changes, or input from the Maybe team, you should open a feature request instead.  This template is for a **fully scoped and ready** feature. _
+
+## Feature Overview
+
+## Requirements
+
+_If there is a missing / incorrect requirement, please leave a comment before starting work on this._
+
+- [ ] Requirement 1
+
+## Implementation Suggestions
+
+_Below are some ideas for implementation to get you started.  Use your best judgment here—if there's a better way to do things, go for it!_
+
+## Designs
+
+Below are the designs you should follow while implementing this:
+
+## Reminders
+
+- Make sure to review our [contributing guidelines](https://github.com/maybe-finance/maybe/blob/main/CONTRIBUTING.md) before starting on an issue
+- We do our best to define a clear spec for new features and fixes, but think of them as "suggestions", not "hard requirements".  We welcome ideas and suggestions!
+  - If you see missing requirements to this issue, please leave a comment below explaining what is missing and why it is important.
+  - If you see a requirement that you think is _incorrect_ or _not optimal_, please leave a comment explaining what you think needs to change below.