Implement dummy file share api and search api

@@ -166,6 +166,62 @@ createServer({
       };
     });
 
+    this.post("/items/:item_id/share", (schema, request) => {
+      return {
+        status: 200,
+        user_id: 1,
+        shared: "2020-05-14T06:20:44Z",
+        data: {
+          id: "2342",
+          name: "image.jpg",
+          is_folder: false,
+          size: 92929,
+          path:
+            "https://presignedurldemo.s3.eu-west-2.amazonaws.com/image.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJJWZ7B6WCRGMKFGQ%2F20180210%2Feu-west-2%2Fs3%2Faws4_request&X-Amz-Date=20180210T171315Z&X-Amz-Expires=1800&X-Amz-Signature=12b74b0788aa036bc7c3d03b3f20c61f1f91cc9ad8873e3314255dc479a25351&X-Amz-SignedHeaders=host",
+          created_timestamp: "2020-05-14T06:20:44Z",
+          updated_timestamp: "2020-05-14T06:20:44Z",
+        },
+      };
+    });
+
+    this.post("/shared/:shared_item_id", (schema, request) => {
+      return {
+        status: 200,
+        data: {
+          name: "image.jpg",
+          size: 92929,
+          path:
+            "https://presignedurldemo.s3.eu-west-2.amazonaws.com/image.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=AKIAJJWZ7B6WCRGMKFGQ%2F20180210%2Feu-west-2%2Fs3%2Faws4_request&X-Amz-Date=20180210T171315Z&X-Amz-Expires=1800&X-Amz-Signature=12b74b0788aa036bc7c3d03b3f20c61f1f91cc9ad8873e3314255dc479a25351&X-Amz-SignedHeaders=host",
+        },
+      };
+    });
+
+    this.post("/items/search", (schema, request) => {
+      return {
+        status: 200,
+        data: {
+          list: [
+            {
+              id: "2341",
+              is_folder: true,
+              name: "cloudComputing",
+              created_timestamp: "2020-05-14T06:20:44Z",
+              updated_timestamp: "2020-05-14T06:20:44Z",
+              size: 0,
+            },
+            {
+              id: "2341",
+              is_folder: true,
+              name: "cloudComputing",
+              created_timestamp: "2020-05-14T06:20:44Z",
+              updated_timestamp: "2020-05-14T06:20:44Z",
+              size: 0,
+            },
+          ],
+        },
+      };
+    });
+
     this.post("/users/login", (schema, request) => {
       const body = JSON.parse(request.requestBody);
       const admin = schema.findBy("user", {