Added class and os alternates

.oh-my-zsh/plugins/fzf/README.md

@@ -0,0 +1,19 @@
+# fzf
+
+This plugin enables [junegunn's fzf](https://github.com/junegunn/fzf) fuzzy auto-completion and key bindings
+
+```zsh
+# Set fzf installation directory path
+export FZF_BASE=/path/to/fzf/install/dir
+
+# Uncomment the following line to disable fuzzy completion
+# export DISABLE_FZF_AUTO_COMPLETION="true"
+
+# Uncomment the following line to disable key bindings (CTRL-T, CTRL-R, ALT-C)
+# export DISABLE_FZF_KEY_BINDINGS="true"
+
+plugins=(
+  ...
+  fzf
+)
+```