New cheatsheet added: support for Bower (frontend package manager)

cheat/cheatsheets/bower

@@ -0,0 +1,26 @@
+# Install a package locally
+bower install <package-name>
+
+# Install a package locally directly from github
+bower install <user>/<repo>
+
+# Install a specific package locally
+bower install <package-name>#<version>
+
+# Install a package locally and save installed package into bower.json
+bower install <package-name> --save
+
+# Retrieve info of a particular package
+bower info <package-name>
+
+# List local packages
+bower list
+
+# Search for a package by name
+bower search <package-name>
+
+# Update a package to their newest version
+bower update <package-name>
+
+# Remove a local package
+bower uninstall <package-name>