Improve cheatsheet column spacing and margins (#354)

* Reduce space between cheatsheet columns

* Increase space between cheatsheet columns

* Add space to sides of cheatsheet

cheatsheet.html

@@ -16,6 +16,7 @@ <h1 align="center">Layout &ndash; High Fidelity Auto Layout for UIKit</h1>
             <h2 align="center"><a href="https://github.com/Tinder/Layout">https://github.com/Tinder/Layout</a></h2>
             <table>
                 <tr>
+                    <td>&nbsp;&nbsp;&nbsp;</td>
                     <td>
                         <h2>Layout Examples</h2>
                         <h3>Single Subview</h3>
@@ -127,7 +128,7 @@ <h3>Animation</h3>
                         <p>This method is useful when animating constraints.</p>
                         <pre>update()</pre>
                     </td>
-                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
+                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
                     <td>
                         <h2>Layout Item Methods</h2>
                         <h3>Size</h3>
@@ -254,7 +255,7 @@ <h3>Accessibility Identifier</h3>
                         <pre>identifier = "identifier"</pre>
                         <pre>id("identifier")</pre>
                     </td>
-                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
+                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
                     <td>
                         <h2>View Methods</h2>
                         <h3>Builder</h3>
@@ -384,7 +385,7 @@ <h3>Visual Format Language</h3>
             metrics: [:],
             options: formatOptions)</pre>
                     </td>
-                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
+                    <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</td>
                     <td>
                         <h2>Arguments</h2>
                         <h3>Anchors</h3>
@@ -468,6 +469,7 @@ <h3>Autoresizing Mask</h3>
                         <pre>bottomRight</pre>
                         <pre>scaleWithSuperview</pre>
                     </td>
+                    <td>&nbsp;&nbsp;&nbsp;</td>
                 </tr>
             </table>
             <h4 align="center">Copyright &copy; 2024 Tinder (Match Group, LLC)</h4>