add headings to function description doc

Author: Remi-Gau

docs/source/function_description.rst

@@ -1,5 +1,5 @@
 Function description
-====================
+********************
 
 The functions of our pipeline
 
@@ -21,6 +21,9 @@ List of functions in the ``src`` folder.
 
 ----
 
+Aperture
+========
+
 List of functions in the ``src/aperture`` folder.
 
 (to add saveAperture)
@@ -36,6 +39,9 @@ List of functions in the ``src/aperture`` folder.
 
 ----
 
+Dot
+===
+
 List of functions in the ``src/dot`` folder.
 
 .. module:: src.dot
@@ -54,6 +60,9 @@ List of functions in the ``src/dot`` folder.
 
 ----
 
+Errors
+======
+
 List of functions in the ``src/errors`` folder.
 
 .. module:: src.errors
@@ -65,6 +74,9 @@ List of functions in the ``src/errors`` folder.
 
 ----
 
+Fixation
+========
+
 List of functions in the ``src/fixation`` folder.
 
 .. module:: src.fixation
@@ -74,6 +86,9 @@ List of functions in the ``src/fixation`` folder.
 
 ----
 
+Keyboard
+========
+
 List of functions in the ``src/keyboard`` folder.
 
 .. module:: src.keyboard
@@ -87,6 +102,9 @@ List of functions in the ``src/keyboard`` folder.
 
 ----
 
+Randomization
+=============
+
 List of functions in the ``src/randomization`` folder.
 
 .. module:: src.randomization
@@ -97,6 +115,9 @@ List of functions in the ``src/randomization`` folder.
 
 ----
 
+Screen
+======
+
 List of functions in the ``src/screen`` folder.
 
 .. module:: src.screen
@@ -106,6 +127,9 @@ List of functions in the ``src/screen`` folder.
 
 ----
 
+Utilities
+=========
+
 List of functions in the ``src/utils`` folder.
 
 (to add makeGif)