Add framework to doc titles

js/package.md

@@ -1,4 +1,4 @@
- Package development
+# Javascript / Package development
 
 - [README template](package-readme-template.md)
 

node/file-structure-naming.md

@@ -1,4 +1,4 @@
-# File structure and naming
+# Node.js / File structure and naming
 
 - The [Express generator](http://expressjs.com/en/starter/generator.html) creates a familiar skeleton.
 - There's [no consensus](https://stackoverflow.com/a/47945694/2771889) on the right structure (e.g. [1](https://www.infoworld.com/article/3204205/node-js/7-keys-to-structuring-your-nodejs-app.html), [2](https://blog.risingstack.com/node-hero-node-js-project-structure-tutorial/)) but it doesn't matter from the framework's point of view.

node/testing.md

@@ -1,4 +1,4 @@
-# Testing
+# Node.js / Testing
 
 ## Unit testing
 

node/way-of-working.md

@@ -1,4 +1,4 @@
-# Way of working
+# Node.js / Way of working
 
 ## Tools
 

react/file-structure-naming.md

@@ -1,4 +1,4 @@
-# File structure and naming
+# React / File structure and naming
 
 ## Example project structure
 

react/styling-and-css.md

@@ -1,4 +1,4 @@
-# Styling and CSS
+# React / Styling and CSS
 
 *How should we style our React app?*
 

react/testing.md

@@ -1,4 +1,4 @@
-# Testing
+# React / Testing
 
 ## Unit testing
 

react/way-of-working.md

@@ -1,4 +1,4 @@
-# Way of Working
+# React / Way of Working
 
 ## Tools
 

ruby/gem.md

@@ -1,4 +1,4 @@
-# Gem development
+# Ruby / Gem development
 
 - [Bundler's guide for developing a gem](http://bundler.io/guides/creating_gem.html)
 - [RubyGems' guide on gem naming](http://guides.rubygems.org/name-your-gem/)

universal/code-style.md

@@ -1,4 +1,4 @@
-# Universal code style guide
+# Code style guide
 
 
 ## Code style