Move XHRProxy code to the xhrInterceptor folder

Change-Id: I2d2e9a4b4c43b1ed75ed500ba202283e8f3b16b7
diff --git a/src/injections/xhrProxy.js b/src/injections/xhrProxy.js
new file mode 100644
index 0000000..d33521c
--- /dev/null
+++ b/src/injections/xhrProxy.js
@@ -0,0 +1,3 @@
+import XHRProxy from '../xhrInterceptor/XHRProxy.js';
+
+new XHRProxy();