added manifest.json for extention support

src/manifest.json

@@ -0,0 +1,18 @@
+{
+	"manifest_version": 2,
+	"name": "Startpage",
+	"version": "0.2.0",
+	"description": "Startpage",
+	"developer": {
+		"name": "Djeeberjr"
+	},
+	"chrome_url_overrides": {
+		"newtab": "startpage/index.html"
+	},
+	"chrome_settings_overrides" : {
+		"homepage": "startpage/index.html"
+	},
+	"permissions": [
+		"<all_urls>"
+	]
+}