Create default fzf config for zsh

configs/.fzf.zsh

@@ -0,0 +1,36 @@
+# Setup fzf
+# ---------
+if [[ ! "$PATH" == *${FZF_PATH}/bin* ]]; then
+  export PATH="$PATH:${FZF_PATH}/bin"
+fi
+
+function _fzf_settings_has() {
+  which "$@" > /dev/null 2>&1
+}
+
+if _fzf_settings_has brew; then
+  # If fzf was installed via brew, use the brew paths
+  if [[ -x "$(brew --prefix)/bin/fzf" ]]; then
+    if [[ -f "$(brew --prefix fzf)/shell/completion.zsh" ]]; then
+      source "$(brew --prefix fzf)/shell/completion.zsh" 2> /dev/null
+    fi
+    if [[ -f "$(brew --prefix fzf)/shell/key-bindings.zsh" ]]; then
+      source "$(brew --prefix fzf)/shell/key-bindings.zsh"
+    fi
+  fi
+fi
+
+# Auto-completion
+# ---------------
+if [[ -f "${FZF_PATH}/shell/completion.zsh" ]]; then
+  [[ $- == *i* ]] && source "${FZF_PATH}/shell/completion.zsh" 2> /dev/null
+fi
+
+# Key bindings
+# ------------
+if [[ -f "${FZF_PATH}/shell/key-bindings.zsh" ]]; then
+  source "${FZF_PATH}/shell/key-bindings.zsh"
+fi
+
+# Cleanup internal functions
+unset -f _fzf_settings_has