add rga-fzf function

zsh/.zsh/functions/rga-fzf

@@ -0,0 +1,15 @@
+# https://github.com/phiresky/ripgrep-all
+
+rga-fzf() {
+  RG_PREFIX="rga --files-with-matches"
+    local file
+    file="$(
+        FZF_DEFAULT_COMMAND="$RG_PREFIX '$1'" \
+        fzf --sort --preview="[[ ! -z {} ]] && rga --pretty --context 5 {q} {}" \
+        --phony -q "$1" \
+        --bind "change:reload:$RG_PREFIX {q}" \
+        --preview-window="70%:wrap"
+        )" &&
+    echo "opening $file" &&
+    xdg-open "$file"
+}