合并前准备：删除非必需文件，规范扩展目录结构

directURL/manifest.json

@@ -0,0 +1,32 @@
+{
+    "name":"助手-directURL",
+    "description":"make href clickable",
+    "version":"0.0",
+    "manifest_version":3,
+    "host_permissions": ["https://*/*","storage", "tabs", "scripting"],
+    "background":{
+        "service_worker":"./assets/js/background.js"
+    },
+    "permissions":["storage","activeTab", "scripting"],
+    "action":{
+        "default_popup":"popup.html",
+        "default_icon":{
+            "16": "./images/get_started16.png",
+            "32": "./images/get_started32.png",
+            "48": "./images/get_started48.png",
+            "128": "./images/get_started128.png"
+        }
+    },
+    "icons": {
+        "16": "./images/get_started16.png",
+        "32": "./images/get_started32.png",
+        "48": "./images/get_started48.png",
+        "128": "./images/get_started128.png"
+    },
+    "content_scripts":[
+        {
+            "matches":["https://*/*"],
+            "js":["./assets/js/url.js"]
+        }
+    ]
+}