fix(build): Add .npmignore file to allow inclusion of react folder

Since the react folder is included as an entry in the .gitignore file, it is not published to npm.

By making a separate file for npm publishing we can ensure that the folder does get included when

publishing to npm.

.gitignore

@@ -26,6 +26,8 @@ build/Release
 
 # Dependency directory
 node_modules
+
+# Transpiled files
 /react
 
 # Optional npm cache directory

.npmignore

@@ -0,0 +1,48 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+tmp
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+node_modules
+yarn.lock
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# MacOS
+.DS_Store
+
+# tests
+tests
+
+# Continuous Integration
+.travis.yml
+
+# Docs
+README.md
+mastarm.png