Added .npmignore to publish dist/

Signed-off-by: Matteo Collina <hello@matteocollina.com>

.npmignore

@@ -0,0 +1,50 @@
+# 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
+
+# nyc test coverage
+.nyc_output
+
+# 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 files and directories
+node_modules
+jspm_packages
+yarn.lock
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# mac files
+.DS_Store
+
+# vim swap files
+*.swp
+
+package-lock.json
+
+# project specific
+*.tgz
+.idea