Move paige_math, paige_toc to paige object

exampleSite/content/blog/math-typesetting.md

@@ -3,7 +3,8 @@ author: Hugo Authors
 title: Math Typesetting
 date: 2019-03-08
 description: A brief guide to setup KaTeX.
-paige_math: true
+paige:
+    math: true
 ---
 
 Mathematical notation in a Hugo project can be enabled by using third party JavaScript libraries.
@@ -21,7 +22,7 @@ In this example we will be using [KaTeX](https://katex.org/)
 {{ end }}
 ```
 
-To enable KaTex on a per page basis include the parameter `paige_math: true` in content files
+To enable KaTex on a per page basis include the parameter `paige.math: true` in content files
 
 **Note:** Use the online reference of [Supported TeX Functions](https://katex.org/docs/supported.html)