docs: Improve index page and prettyignore docs folder.

Author: microbit-carlos

.prettierignore

@@ -1,5 +1,6 @@
 dist
 coverage
+docs
 
 # This is just for personal use
 ignore/

docs/index.md

@@ -9,11 +9,13 @@ nav_order: 1
 # micro:bit Filesystem
 {: .fs-9 }
 
-Add files to a micro:bit MicroPython hex file.
+Manipulate files in a micro:bit MicroPython Intel Hex file.
 {: .fs-6 .fw-300 }
 
 [Quick Guide](/quick-guide){: .btn .btn-primary .fs-5 .mb-4 .mb-md-0 .mr-2 }
-[View it on GitHub](https://github.com/microbit-foundation/js-microbit-micropython-fs/){: .btn .fs-5 .mb-4 .mb-md-0 }
+[View it on GitHub](https://github.com/microbit-foundation/microbit-fs/){: .btn .fs-5 .mb-4 .mb-md-0 }
+
+---
 
 The documentation is currently a work in progress.