Added bash completion script

completion/yayfzf_completion.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# yayfzf Bash completion script
+
+_yayfzf() {
+  local cur prev opts
+  COMPREPLY=()
+  cur="${COMP_WORDS[COMP_CWORD]}"
+  prev="${COMP_WORDS[COMP_CWORD-1]}"
+  opts="-h --help -k --keybindings -V --version"
+
+  case "${prev}" in
+    -h|--help|-k|--keybindings|-V|--version)
+      return 0
+      ;;
+  esac
+
+  if [[ "${cur}" == -* ]]; then
+    COMPREPLY=( $(compgen -W "${opts}" -- ${cur}) )
+    return 0
+  fi
+
+  COMPREPLY=( $(compgen -f -- "${cur}") )
+}
+
+complete -F _yayfzf yayfzf
+