fix post graph 📍

docs/data/data.md

@@ -1,5 +1,9 @@
 # Data Science
 
+## TOC
+
+[machine](machine)
+
 ## References 
 
 - [Cheat Sheets for Machine Learning and Data Science](https://sites.google.com/view/datascience-cheat-sheets)

docs/index.md

@@ -47,6 +47,7 @@ I use this library of documents as a quick reference to find technical answers,
 
 [Node](waf/nodejs) |
 [npm](waf/npm) |
+[nextjs](waf/nextjs) |
 [Rails](waf/rails) |
 [React](waf/react) |
 [React Native](waf/react_native) |

docs/waf/_waf.md

@@ -2,6 +2,7 @@
 =
 [Node.js](nodejs) |
 [npm](npm) |
+[nextjs](nextjs) |
 [Rails](rails) |
 [React](react) |
 [React Native](react_native) |

src/pages/index.md

@@ -161,4 +161,3 @@ description: A place to keep notes and documentation
   - [help](help)
   - [about](about)
   - [todo](todo)
-  - [posts](index)