Feat : Setup cloudflare worker for cloud endpoint

cloud/jsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "open-sse": ["../open-sse"],
+      "open-sse/*": ["../open-sse/*"]
+    },
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "target": "ESNext"
+  }
+}