docs: add readMe

Author: xianshenglu

README.MD

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+# cloudflare-ip-tester-app
+
+### Inspired by
+
+- [CloudflareSpeedTest](https://github.com/XIU2/CloudflareSpeedTest)
+- [cloudflare-ip-tester](https://github.com/TulvL/cloudflare-ip-tester)
+
+### Functions
+
+- test cloudflare-ip as many as you want
+
+
+- generate a history statistics based on your test results.
+
+<div style="display: flex;flex-flow:row wrap;">
+    <img src="./assets/images/test-run-min.jpg" height="600">
+    <img src="./assets/images/test-statistics-min.jpg" height="600">
+</div>
+
+### MIT License