Update issue templates

Author: hunterliu1003

.github/ISSUE_TEMPLATE/---say-thank-you.md

@@ -0,0 +1,23 @@
+---
+name: "❤️ Say thank you"
+about: Tell us how you use vue-final-modal & support our efforts in maintaining vue-final-modal
+title: ''
+labels: ''
+assignees: hunterliu1003
+
+---
+
+# ❤️ I'm using **`vue-final-modal`**
+
+If you (or your company) are using  **`vue-final-modal`** - please let us know. We'd love to hear from you!
+
+ **`vue-final-modal`** is a community driven project, which means it's not maintained by a company. If you would like to help `vue-final-modal` - any of the following is greatly appreciated.
+
+- [ ] Give the repository a star ⭐️
+- [ ] Help out with issues
+- [ ] Review pull requests
+- [ ] Blog about vue-final-modal
+- [ ] Make tutorials
+- [ ] Give talks
+
+Thank you! 💐