Added instructions about fixing .gitignore for non-LaTeX users.

README.md

@@ -15,7 +15,13 @@ Setup Instructions
 
 3.  Clone your fork to your VM.
 
-4.  If you plan to use LaTeX:
+4.  If you do not plan to use LaTeX:
+
+    a.  Remove the line reading `*.pdf` from the .gitignore file.
+
+    b.  Add, commit, and push your change.
+
+5.  If you plan to use LaTeX:
 
     a.  Install the `fullpage` LaTeX package by running the command
         `sudo zypper install 'tex(fullpage.sty)'`.