Refactor starting tutorial intro pages

docs/source/Howto/Starting/Part3/Starting-Part3.md

@@ -0,0 +1,19 @@
+# Evennia Starting Tutorial (Part 3)
+
+```sidebar:: Tutorial Parts
+
+  Part 1: `What we have <./Starting-Part1.html>`_
+    A tour of Evennia and how to use the tools, including an introduction to Python.
+  Part 2: `What we want <./Starting-Part2.html>`_
+    Planning our tutorial game and what to think about when planning your own in the future.
+  **Part 3: How we get there**
+       Getting down to the meat of extending Evennia to make our game
+  Part 4: `Using what we created <./Starting-Part4.html>`_
+    Building a tech-demo and world content to go with our code
+  Part 5: `Showing the world <./Starting-Part5.html>`_
+    Taking our new game online and let players try it out
+```
+
+Now that we have a good idea of what we want, we need to actually implement it. In part three of the 
+Starting tutorial will go through the creation of several key parts of our game. As we go, we will 
+test each part and create a simple "tech demo" to show off all the moving parts. 

docs/source/Howto/Starting/Part3/Tutorial-for-basic-MUSH-like-game.md

@@ -7,7 +7,7 @@ focused on free form storytelling. Even if you are not interested in MUSH:es, th
 first game-type to try since it's not so code heavy. You will be able to use the same principles for
 building other types of games.
 
-The tutorial starts from scratch. If you did the [First Steps Coding](../Starting-Part1) tutorial
+The tutorial starts from scratch. If you did the [First Steps Coding](../Part1/Starting-Part1) tutorial
 already you should have some ideas about how to do some of the steps already.
 
 The following are the (very simplistic and cut-down) features we will implement (this was taken from