Researched on implementation of @mention feature

I think I got the steps roughly figured out, without using packages:

📝 Create autocomplete component that pulls data from API endpoint for showing autocomplete suggestions
* https://www.digitalocean.com/community/tutorials/vuejs-vue-autocomplete-component
* https://www.fareez.info/blog/create-your-own-autocomplete-using-vuejs-2/
* https://codepen.io/alligatorio/pen/XZoXqy

🔗 Create function using .replace regex to add anchor link to @mentions in body text
* https://stackoverflow.com/questions/62733767/how-to-change-users-mentioned-to-a-html-a-tag-in-a-post-vue-node

👋 Create function using .match regex to detect @mention on body text, and then POST notifications to @mention users
* https://stackoverflow.com/questions/62730022/how-to-extract-users-mentioned-in-a-post-vue-node