add common script

rua-scripts/common.sh

@@ -0,0 +1,9 @@
+#!/bin/env bash
+
+oha_url() {
+    if [[ -z $1 ]]; then
+        echo "usage: oha_url <url>"
+        return
+    fi
+    oha -z 10sec -c 50 --latency-correction --disable-keepalive --insecure $1
+}