Add files for Mozilla API

requests/backgroud.js

@@ -0,0 +1,8 @@
+function logURL(requestDetails) {
+    console.log("Loading: " + requestDetails.url);
+}
+
+browser.webRequest.onBeforeRequest.addListener(
+    logURL,
+    {urls: ["<all_urls>"]}
+);

requests/manifest.json

@@ -0,0 +1,15 @@
+{
+    "description": "Demonstrating webRequests",
+    "manifest_version": 2,
+    "name": "webRequest-demo",
+    "version": "1.0",
+
+    "permissions": [
+        "webRequest",
+        "<all_urls>"
+    ],
+
+    "background": {
+        "scripts": ["background.js"]
+    }
+}