chore: update scripts (#81)

* chore: use sls instead serverless in scripts

* fix: set port for local dev to 4000

* fix: remove old husky script

Author: WajeehZantout

package.json

@@ -9,14 +9,13 @@
     "deploy:production": "export NODE_ENV=production && yarn deploy:env",
     "deploy:stage": "export NODE_ENV=stage && yarn deploy:env",
     "lint": "eslint src --ext ts,js --no-ignore --fix",
-    "precommit": "lint-staged",
-    "serve": "serverless offline start",
-    "serve:watch": "nodemon -e js,ts,jsx,tsx -x serverless offline start",
-    "tail:hello": "serverless logs --function hello --tail",
+    "serve": "sls offline -P 4000",
+    "serve:watch": "nodemon -e js,ts,jsx,tsx -x yarn serve",
+    "tail:hello": "sls logs --function hello --tail",
     "test": "jest",
     "test:watch": "jest --watch",
-    "build": "serverless webpack",
-    "watch:hello": "serverless invoke local --watch --function hello --path fixtures/event.json"
+    "build": "sls webpack",
+    "watch:hello": "sls invoke local --watch --function hello --path fixtures/event.json"
   },
   "devDependencies": {
     "@babel/core": "7.6.0",