docs: add empty lines for readability

Author: kenjis

user_guide_src/source/outgoing/view_cells.rst

@@ -77,8 +77,10 @@ Controlled Cells
 
 .. versionadded:: 4.3.0
 
-Controlled cells have two primary goals: to make it as fast as possible to build the cell, and provide additional logic and
-flexibility to your views, if they need it. The class must extend ``CodeIgniter\View\Cells\Cell``. They should have a view file
+Controlled cells have two primary goals: (1) to make it as fast as possible to build the cell, and (2) provide additional logic and
+flexibility to your views, if they need it.
+
+The class must extend ``CodeIgniter\View\Cells\Cell``. They should have a view file
 in the same folder. By convention, the class name should be in PascalCase suffixed with ``Cell`` and the view should be
 the snake_cased version of the class name, without the suffix. For example, if you have a ``MyCell`` class, the view file
 should be ``my.php``.
@@ -89,7 +91,9 @@ should be ``my.php``.
 Creating a Controlled Cell
 ==========================
 
-At the most basic level, all you need to implement within the class are public properties. These properties will be made available to the view file automatically. Implementing the AlertMessage from above as a Controlled Cell would look like this:
+At the most basic level, all you need to implement within the class are public properties. These properties will be made available to the view file automatically.
+
+Implementing the AlertMessage from above as a Controlled Cell would look like this:
 
 .. literalinclude:: view_cells/008.php
 
@@ -118,7 +122,9 @@ You can specify a custom view name by setting the ``view`` property in the class
 Customize the Rendering
 =======================
 
-If you need more control over the rendering of the HTML, you can implement a ``render()`` method. This method allows you to perform additional logic and pass extra data the view, if needed. The ``render()`` method must return a string. To take advantage of the full features of controlled Cells, you should use ``$this->view()`` instead of the normal ``view()`` helper function:
+If you need more control over the rendering of the HTML, you can implement a ``render()`` method. This method allows you to perform additional logic and pass extra data the view, if needed. The ``render()`` method must return a string.
+
+To take advantage of the full features of controlled Cells, you should use ``$this->view()`` instead of the normal ``view()`` helper function:
 
 .. literalinclude:: view_cells/012.php