Update readme (#35)

* update README

* update pnpm

README.md

@@ -1 +1,47 @@
-# pnpm-license-exporter
+# pnpm-license-exporter
+
+![License](https://img.shields.io/npm/l/@luco-inc/pnpm-license-exporter?style=for-the-badge)
+![Version](https://img.shields.io/npm/v/@luco-inc/pnpm-license-exporter?color=blue&label=Version&logo=npm&style=for-the-badge)
+
+Dependencies license exporter for projects using pnpm.
+
+Internally using the `pnpm licenses list` command to get the licenses of the dependencies.
+
+
+## Requirements
+
+- Node.js 20.0.0 or higher (tested on 20.12.2, experimental support for 18.3.0 or higher)
+  - Internally using [`parseArgs`](https://nodejs.org/api/util.html#utilparseargsconfig) which is available since Node.js 18.3.0
+- pnpm 6.0.0 or higher (tested on 6.14.4)
+  - CAN NOT use yarn and npm
+
+## Usage
+
+```bash
+pnpm install -D @luco-inc/pnpm-license-exporter
+
+pnpm-license-exporter [options]
+```
+
+or 
+
+```bash
+pnpm dlx @luco-inc/pnpm-license-exporter [options]
+```
+
+
+## CLI Usage
+Export only directly & production dependencies: `pnpm-license-exporter`
+Export all production dependencies: `pnpm-license-exporter --recursive` <-- Recommended
+Export all dependencies: `pnpm-license-exporter --recursive --dev`
+
+## Options
+| Arg             | Description                      | Type           | Default         |
+|-----------------|----------------------------------|----------------|-----------------|
+| -o, --output    | Output folder for the exports.   | [string]       | ./licenses.json |
+| -p, --pretty    | Prettify the json output.        | flag/[boolean] | false           |
+| -r, --recursive | Include all subDependencies      | flag/[boolean] | false           |
+| -d, --dev       | Include dev dependencies.        | flag/[boolean] | false           |
+| --no-prod       | Exclude production dependencies. | flag/[boolean] | false           |
+| --no-optional   | Exclude optional dependencies.   | flag/[boolean] | false           |
+

package.json

@@ -50,5 +50,5 @@
   "publishConfig": {
     "access": "public"
   },
-  "packageManager": "[email protected].6+sha256.01c01eeb990e379b31ef19c03e9d06a14afa5250b82e81303f88721c99ff2e6f"
+  "packageManager": "[email protected].7+sha256.50783dd0fa303852de2dd1557cd4b9f07cb5b018154a6e76d0f40635d6cee019"
 }