doc links

README.md

@@ -4,18 +4,17 @@
     <strong>mCaptcha - PoW based DoS protection</strong>
   </p>
 
-[![Documentation](https://img.shields.io/badge/docs-master-blue)](https://mcaptcha.github.io/mCaptcha/m_captcha/index.html)
-![CI (Linux)](<https://github.com/mCaptcha/mCaptcha/workflows/CI%20(Linux)/badge.svg>)
+[![Documentation](https://img.shields.io/badge/docs-master-yellow)](https://mcaptcha.github.io/mCaptcha/m_captcha/index.html)
+[![Documentation](https://img.shields.io/badge/docs-0.1.0-blue)](https://mcaptcha.org/docs/api/mcaptcha-system)
 [![dependency status](https://deps.rs/repo/github/mCaptcha/mCaptcha/status.svg)](https://deps.rs/repo/github/mCaptcha/mCaptcha)
 [![AGPL License](https://img.shields.io/badge/license-AGPL-blue.svg)](http://www.gnu.org/licenses/agpl-3.0)
+![CI (Linux)](<https://github.com/mCaptcha/mCaptcha/workflows/CI%20(Linux)/badge.svg>)
 <br />
 [![codecov](https://codecov.io/gh/mCaptcha/mCaptcha/branch/master/graph/badge.svg)](https://codecov.io/gh/mCaptcha/mCaptcha)
 [![Documentation](https://img.shields.io/badge/matrix-community-purple)](https://matrix.to/#/+mcaptcha:matrix.batsense.net)
 
 </div>
 
-
-
 mCaptcha uses SHA256 based proof-of-work(PoW) to rate limit users.
 
 If someone wants to hammer your site, they will have to do more work to
@@ -23,11 +22,11 @@ send requests than your server will have to do to respond to their
 request.
 
 > **NOTE:** `0.1` is out, expect breaking changes as ergonomics and
-performance is improved. Checkout [changelog](./CHANGELOG.md) for
-changes and migration pointers.
-
+> performance is improved. Checkout [changelog](./CHANGELOG.md) for
+> changes and migration pointers.
 
 ## Why use mCaptcha?
+
 - Free software, privacy focused
 - Seamless UX - No more annoying captchas!
 - IP address independent(sort of) - your users are behind a NAT? We got you covered!
@@ -44,17 +43,25 @@ database frequently wiped).
 
 Be sure to open dev tools' network tab to witness the magic!
 
-## Usage:
+## Documentation
+
+- [master-branch](https://mcaptcha.github.io/mCaptcha/m_captcha/index.html)
+- [All published versions](https://mcaptcha.org/docs/api/mcaptcha-system)
+
+## Usage
 
 mCaptcha is made up of three components:
 
 #### 1. Front-end library
+
 We have a WASM library now, Android and iOS libraries soon
 
 #### 2. Back-end library
+
 We have Rust library, other languages will have support soon
 
 #### 3. Rate limiting service
+
 Under development.
 
 A paid, managed service will be made available soon but
@@ -62,4 +69,5 @@ I([@realaravinth](https://batsense.net)) encourage you guys to
 self-host. Go decentralisation!
 
 ## Contributing
+
 yes please!