update docs

docs/activation.md

@@ -1,4 +1,5 @@
-# Bubble Activation
+Bubble Activation
+=================
 The very first time Bubble runs it has a blank database, nothing has been defined.
 
 This is a Bubble that is awaiting activation.

docs/dev.md

@@ -1,9 +1,11 @@
 Bubble Developer Guide
 ======================
+This guide is intended for developers who would like to work directly with the Bubble source code.
 
 # Development Setup
-These instructions presume you are running a newly setup Ubuntu 20.04 system.
-Either the Ubuntu Server or Desktop distribution will work.
+These instructions presume you are running a newly setup Ubuntu 20.04 or Mac OS X system.
+
+For Ubuntu, either the Server or Desktop distribution will work.
 
 Other Debian-based systems will probably also work fine.
 

docs/docker-launcher.md

@@ -1,5 +1,5 @@
-# Bubble Docker Launcher
-
+Bubble Docker Launcher
+======================
 The Bubble Docker Launcher makes it easy to run a Bubble launcher.
 
 You can use the launcher to then start Bubbles that you can use.

docs/launch-node.md

@@ -1,4 +1,5 @@
-# Bubble Node Mode
+Bubble Node Mode
+================
 A Bubble in Node Mode is a proper Bubble that allows you to connect your devices to it, and manages network traffic
 on behalf of those devices.
 

docs/system-software.md

@@ -1,7 +1,8 @@
 # Install Required System Software
-You only need to do this if you're running from a binary distribution or building and running from source.
+You only need to do this if you're [running from a binary distribution](run-binary.md)
+or [building and running from source](dev.md).
 
-If you're using the Bubble Docker Launcher, you can skip this step.
+If you're using the [Bubble Docker Launcher](docker-launcher.md), skip this step.
 
 ## Why Do This?
 You'll need to install some software for Bubble to work correctly.