😒 chore: Upgrade git ignore config.

.gitignore

@@ -1,31 +1,16 @@
-# Logs
-logs
-*.log
+# lock file
+!yarn.lock
 
-# Runtime data
-pids
-*.pid
-*.seed
-
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-
-# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
-.grunt
-
-# Compiled binary addons (http://nodejs.org/api/addons.html)
-build/Release
+# Generated files
+/lib
 
 # Dependency directory
-# Commenting this out is preferred by some people, see
-# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-
 node_modules
+jspm_packages
 
-# Users Environment Variables
-.lock-wscript
+# Coverage directory used by nyc
+/coverage
+/.nyc_output
 
-# groc
-doc
+# Documentation
+/gh-pages