Add build script, prepush hook, peerDependencies

[bogas04]

• Peer dependency on react@^16.3.0
• A build script that would transpile with babel-plugins
• A prepush hook that would build the library

[iamchiranjeebpanda01]

Modified "package.json" for the given issue:
{
"name": "@swiggy/react-context-decorator",
"version": "1.0.0",
"description": "A react utility function to decorate a component with context, similar to how react-redux works",
"main": "index.js",
"scripts": {
"test": "echo "Error: no test specified" && exit 1",
"build": "babel index.js -o dist/index.js",
"prepush": "npm run build"
},
"husky": {
"hooks": {
"pre-push": "npm run prepush"
}
},
"author": "@Swiggy",
"license": "MIT",
"dependencies": {
"peer": "^1.0.0",
"react": "^16.3.0"
},
"devDependencies": {
"@babel/core": "^7.22.5",
"@babel/plugin-transform-class-properties": "^7.22.5",
"@babel/preset-env": "^7.22.5",
"@babel/preset-react": "^7.22.5",
"husky": "^8.0.3"
},
"babel": {
"presets": ["@babel/preset-env", "@babel/preset-react"],
"plugins": ["@babel/plugin-transform-class-properties"]
}
}