Composer instructions, update count and Figma link

README.md

@@ -7,7 +7,7 @@
 <h3 align="center">Bootstrap Icons</h3>
 
 <p align="center">
-  Official open source SVG icon library for Bootstrap with over 1,300 icons.
+  Official open source SVG icon library for Bootstrap with over 1,400 icons.
   <br>
   <a href="https://icons.getbootstrap.com/"><strong>Explore Bootstrap Icons »</strong></a>
   <br>
@@ -30,7 +30,13 @@ Bootstrap Icons are packaged up and published to npm. We only include the proces
 npm i bootstrap-icons
 ```
 
-[Also available in Figma.](https://www.figma.com/community/file/972989644486753519/Bootstrap-Icons-v1.5.0)
+For those [using Packagist](https://packagist.org/packages/twbs/bootstrap-icons), you can also install Bootstrap Icons via Composer:
+
+```shell
+composer require twbs/bootstrap-icons
+```
+
+[Also available in Figma.](https://www.figma.com/file/cKgRyErzl4pR1WN4NcB5lv/Bootstrap-Icons)
 
 ## Usage