Adds an issue templates for blog posts (#284)

### Description

Adds an issue template for blog posts. This will help encourage issues
before PRs for blog posts and aid in planning content.

### Issues Resolved

n/a

### Check List
- [x] Commits are signed per the DCO using `--signoff`

By submitting this pull request, I confirm that my contribution is made
under the terms of the BSD-3-Clause License.

---------

Signed-off-by: Kyle J. Davis <[email protected]>
Co-authored-by: Madelyn Olson <[email protected]>

Author: stockholmux

.github/ISSUE_TEMPLATE/blog_post_template.md

@@ -0,0 +1,24 @@
+---
+name: 🏢 New Blog post
+about: Create a blog post 
+title: "[BLOG POST] <Put your tentative blog post title here>"
+labels: 'blog-post, untriaged'
+assignees: ''
+---
+
+**New Blog Post**
+
+This is an issue created to propose a blog post. Make sure to fill out all the fields so the team can best plan to sequence, edit, and publish your post in a timely manner.
+Please replace everything in `[]` before submitting. 
+
+**What is your proposed topic?**
+[Please include a 1-2 sentence description of the content of the blog].
+
+**Who is writing this blog post?**
+[Github alias of who will be creating and responsible for addressing updates on the blog.]
+
+**What is your ideal publishing date?**
+[Please list a date that is at least 5 business days from today. Due to other pending blog posts, review time, and project events, publish dates are best effort.]
+
+**Is this blog post dependent on something else?**
+[Examples: the blog post needs to be published before an event, the blog post publishing date depends on a software release date, etc.]