pipcook-sdk: add eventsource to dependences (alibaba#370)

Author: FeelyChau

packages/sdk/package.json

@@ -11,10 +11,12 @@
   "dependencies": {
     "@pipcook/pipcook-core": "^1.0.4",
     "axios": "^0.18.1",
+    "eventsource": "^1.0.7",
     "fs-extra": "^8.1.0"
   },
   "devDependencies": {
     "@types/fs-extra": "^9.0.1",
+    "@types/eventsource": "^1.1.2",
     "typescript": "^3.7.2"
   }
 }