Re-introduce example documentation. This needs completing prior to merge

Author: ptheywood

src/example-docs/1-boids-bruteforce.rst

@@ -0,0 +1,3 @@
+Boids Brute Force
+=================
+

src/example-docs/index.rst

@@ -0,0 +1,12 @@
+Example Documentation
+=====================
+
+The example documentation provides clear explanations of each of the example projects.
+
+
+.. toctree::
+   :maxdepth: 5   
+   :caption: Examples:
+   
+   1-boids-bruteforce.rst
+   

src/index.rst

@@ -10,7 +10,9 @@ Welcome to FLAME GPU 2's documentation!
    :maxdepth: 5
    :caption: Contents:
 
-   guide/index.rst   
+   guide/index.rst
+   example-docs/index.rst
+   
    api/library_root