add view_my_prs script

zx/view_my_prs.mjs

@@ -0,0 +1,8 @@
+#!/usr/bin/env zx
+
+$.verbose = false;
+
+const prNumbers = JSON.parse(await $`gh pr list --author @me --json number`)
+for (let number of prNumbers) {
+    await $`gh pr view ${number.number} --web`;
+}