Update README.md

Author: Coderbeep

README.md

@@ -1 +1,41 @@
-# This repository is in progress
+# Leetcode CLI
+Get your Leetcode account into the terminal. Search for problems, solve them and submit.
+
+## Installation
+#### Windows
+```
+pip install pyleetcode-cli
+```
+
+#### Linux
+```
+sudo pip install pyleetcode-cli
+```
+
+## Configuration
+For this software to work you need to be logged into your Leetcode account. Your Leetcode `session_id` (can be found in cookies) is required for client initialization.
+#### Chrome / Edge
+``` chrome://settings/cookies/detail?site=leetcode.com ```
+After you get your `session_id` you can either paste it into the right place in `config.yaml` file or use the CLI for the configuration:
+``` 
+leet config session_id YOUR_SESSION_ID
+```
+
+## Usage
+```
+Leet CLI
+
+options:
+  -h, --help            show this help message and exit
+  -v, --version         show program's version number and exit
+
+Commands:
+  {config,stats,list,problem,today,submission,submit}
+    config              Configure the CLI
+    stats               Display statistics
+    list                Display problem list
+    problem             Display problem
+    today               Display today's problem.
+    submission          Download submission code
+    submit              Submit code answer
+```