update README.md

Author: JoshK2

README.md

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 Amazing collection of pure CSS vue spinners components of css spinners for ajax or loading animation based on loading.io.  
 
+- 💅No extra CSS imports
+- ✂️Zero dependencies
+- 📦Spinners can be installing separately
+
 ## [Live Demo](https://bit.dev/joshk/vue-spinners-css)
 
 Browse components and explore their props with [Bit](https://bit.dev/joshk/vue-spinners-css).