build: add watching script targets for build & simple streamable http server (#663)

Author: ochafik

package.json

@@ -36,8 +36,11 @@
   ],
   "scripts": {
     "build": "npm run build:esm && npm run build:cjs",
-    "build:esm": "tsc -p tsconfig.prod.json && echo '{\"type\": \"module\"}' > dist/esm/package.json",
-    "build:cjs": "tsc -p tsconfig.cjs.json && echo '{\"type\": \"commonjs\"}' > dist/cjs/package.json",
+    "build:esm": "mkdir -p dist/esm && echo '{\"type\": \"module\"}' > dist/esm/package.json && tsc -p tsconfig.prod.json",
+    "build:esm:w": "npm run build:esm -- -w",
+    "build:cjs": "mkdir -p dist/cjs && echo '{\"type\": \"commonjs\"}' > dist/cjs/package.json && tsc -p tsconfig.cjs.json",
+    "build:cjs:w": "npm run build:cjs -- -w",
+    "examples:simple-server:w": "tsx --watch src/examples/server/simpleStreamableHttp.ts --oauth",
     "prepack": "npm run build:esm && npm run build:cjs",
     "lint": "eslint src/",
     "test": "jest",