update internal links for locally-built site

Author: tobyhodges

_episodes/01-getting-started.md

@@ -20,7 +20,7 @@ keypoints:
 ## Use the Spyder IDE for editing and running Python.
 
 *   The [Anaconda package manager][anaconda] is an automated way to install the [Spyder IDE][spyder].
-    *   See [the setup instructions]({{ page.root }}/setup) for Anaconda installation instructions.
+    *   See [the setup instructions]({{ page.root }}/setup.html) for Anaconda installation instructions.
 *   It also installs all the extra libraries it needs to run.
 *   Once you have installed Python and the Spyder IDE requirements, open a shell and type:
     ~~~
@@ -29,7 +29,7 @@ keypoints:
     {: .python}
 
 *   This will start The Spyder IDE.
-*   This environment has several useful tools we can use, which you can see in different panels in the Spyder IDE. We will look into some of them. 
+*   This environment has several useful tools we can use, which you can see in different panels in the Spyder IDE. We will look into some of them.
 * You can change the positions and sizes of these panels to your preference, as you get to know them.
 
 ## Different ways of interacting with Python using Spyder
@@ -64,7 +64,7 @@ keypoints:
 > Spyder Editor
 >
 > This is a temporary script file.
-> """ 
+> """
 >~~~
 > Write the following line below these lines and press run (the green 'play' button or f5). A window might pop up asking you to specify the run settings, leave the settings as they are and press 'Run'.
 > What happens?
@@ -91,12 +91,11 @@ keypoints:
 >
 > To save the code, press 'file' and then 'save as'. Now give the file a name, for example 'mycode.py' and save it in a directory/folder where you know how to find it.
 > Look into your file system the way you usually do it. Is the file where you expect it to be?
-> 
+>
 > {: .python}
 {: .challenge}
 
 
 
 [anaconda]: https://docs.anaconda.com/anaconda/install/
 [spyder]: https://www.spyder-ide.org/
-

index.md

@@ -17,7 +17,7 @@ Please note that this lesson uses Python 3 rather than Python 2.
 > ## Under Design
 >
 > **This lesson is currently in its early design stage;
-> please check [the design notes]({{ page.root }}/design/)
+> please check [the design notes]({{ page.root }}/design/index.html)
 > to see what we have so far.
 > Contributions are very welcome:
 > we would be particularly grateful for exercises
@@ -32,6 +32,6 @@ Please note that this lesson uses Python 3 rather than Python 2.
 >
 > 2. Learners must install [Anaconda](https://www.anaconda.com/download/) before the class starts.
 >
->    Please see [the setup instructions]({{ page.root }}/setup)
+>    Please see [the setup instructions]({{ page.root }}/setup.html)
 >    for details.
 {: .prereq}