Revert "Rename directories"

This reverts commit 9f3226aec5.

taking-flight-with-tailwind-css/sections/customising.rst

@@ -0,0 +1,54 @@
+.. page:: titlePage
+
+.. class:: centredtitle
+
+Customising Tailwind
+
+.. page::
+
+.. class:: centredtitle
+
+``npx tailwind init``
+
+.. page:: standardPage
+
+tailwind.config.js
+==================
+
+.. code-block:: javascript
+    :include: code/tailwind-basic-config.txt
+
+Overriding configuration
+========================
+
+.. code-block:: javascript
+    :include: code/override-colours.txt
+    :hl_lines: 5 6 7
+
+.. raw:: pdf
+
+    TextAnnotation "Overrides all colours."
+
+Extending configuration
+=======================
+
+.. code-block:: javascript
+    :include: code/extending-colours.txt
+    :hl_lines: 5 6 7 8 9
+
+.. raw:: pdf
+
+    TextAnnotation "Extends Tailwind's default colours."
+
+Additional options
+==================
+
+.. code-block:: javascript
+    :include: code/additional-config-options.txt
+    :hl_lines: 2 3 4
+
+.. page:: titlePage
+
+.. class:: centredtitle
+
+``npx tailwind init --full``