add shared

shared/utilts/requireEnv.ts

@@ -0,0 +1,8 @@
+
+export function requireEnv(name: string, errorMessage?: string) {
+    if (!process.env[name]) {
+        console.error(errorMessage || `ENV variable ${name} is required`);
+        return process.exit(1);
+    }
+    return process.env[name] as string;
+}