feat: add docker-compose and update README

- Now in README there is full description of the bot
- Now there is possibility to use docker-compose up

README.md

@@ -1 +1,37 @@
-vanity-bot
+# arxiv-vanity-bot for telegram
+
+Telegram for some reason doesn't show snippets for links from arxiv.org site. This bot created to get work around of this problem. It is useful to having this bot in chats where you can share links from arxiv and bot will replying on that messages with some kind of snippets with title and description of paper and link to mobile friendly service for arxiv papers - arxiv-vanity.com
+
+Ready to use bot: t.me/arxiv_vanity_bot
+
+## Installation
+
+```bash
+git clone https://github.com/metya/vanity-bot
+```
+
+After that create file in the root of repository with name "token" and put there text below
+
+```plaintext
+API_TOKEN=your_bot_token
+```
+
+And after that just
+
+```bash
+docker compose up -d
+```
+
+or use enviroments variable with compose instead of token file
+
+```bash
+docker-compose run -d -e API_TOKEN=your_bot_token bot
+```
+
+## Usage
+
+Add your bot in chat where you disscuss arxiv papers and enjoy. Or use my bot t.me/arxiv_vanity_bot
+
+## Illustration
+
+![](assets/bot.png)

docker-compose.yaml

@@ -0,0 +1,7 @@
+version: "3.7"
+services:
+  bot:
+    build: .
+    environment:
+      - API_TOKEN
+    restart: always