refactor documentation

docs/index.md

@@ -1,13 +1,15 @@
-# Welcome
+# Introduction
 
 Welcome to the MeshCore documentation.
 
-## Building and viewing Docs
+Below are a few quick start guides.
 
-```
-pip install mkdocs
-pip install mkdocs-material
-```
+- [Frequently Asked Questions](./faq.md)
+- [CLI Commands](./cli_commands.md)
+- [Companion Protocol](./companion_protocol.md)
+- [Packet Structure](./packet_structure.md)
+- [QR Codes](./qr_codes.md)
 
-* `mkdocs serve` - Start the live-reloading docs server.
-* `mkdocs build` - Build the documentation site.
+If you find a mistake in any of our documentation, or find something is missing, please feel free to open a pull request for us to review.
+
+- [Documentation Source](https://github.com/meshcore-dev/MeshCore/tree/main/docs)