use npm -> update readme

.gitignore

@@ -1,3 +1,4 @@
 /node_modules
+/package-lock.json
 /dist
 *.js

README.md

@@ -5,18 +5,29 @@ Simple REST API mixer as a service. A minimal service will be deployed on your l
 
 ### Launch the project
 
-##### 1. Transpile sources
+##### Prerequisites
 
-> You need to install `typescript`, it will automatically install its compiler (_i.e. tsc_) into your environment path. You can easily install it globally with `npm -g i typescript`.
+You need `node` and `npm` installed.
+
+##### 1. Install dependencies
+
+Go into the project's folder and run :
+```bash
+$ npm i
+```
+
+##### 2. Transpile sources
 
 Then launch the following command inside the project's folder :
 ```bash
-$ tsc
+$ npm run build
 ```
 
 All source files of the `src/` folder will be transpiled into the `dist/` folder.
 
-##### 2. Launch server
+> It is also possible to watch the typescript while developping and modifying files with the command `npm run watch`.
+
+##### 3. Launch server
 
 > You need to have `node` installed.
 

package.json

@@ -0,0 +1,24 @@
+{
+	"name": "api-mixer.js",
+	"version": "1.0.0",
+	"author": "xdrm-brackets | SeekDaSky",
+	"license": "MIT",
+	"description": "Simple REST API mixer as a service.",
+	"repository": {
+		"type": "git",
+		"url": "https://git.xdrm.io/MTI/api-mixer.js"
+	},
+	"main": "dist/main.js",
+	"dependencies": {
+		"request": "^2.88.0"
+	},
+	"devDependencies": {
+		"@types/node": "^10.12.0",
+		"typescript": "^3.1.3"
+	},
+	"scripts": {
+		"build": "tsc",
+		"watch": "tsc -w",
+		"start": "node dist/main.js"
+	}
+}