fix: replace links to assets

Cargo.toml

@@ -8,7 +8,7 @@ A library to build rich terminal user interfaces or dashboards
 keywords = ["tui", "terminal", "dashboard"]
 repository = "https://github.com/fdehau/tui-rs"
 license = "MIT"
-exclude = ["docs/*", ".travis.yml"]
+exclude = ["assets/*", ".travis.yml"]
 autoexamples = true
 
 [badges]

README.md

@@ -4,7 +4,7 @@
 [![Crate Status](https://img.shields.io/crates/v/tui.svg)](https://crates.io/crates/tui)
 [![Docs Status](https://docs.rs/tui/badge.svg)](https://docs.rs/crate/tui/)
 
-<img src="./docs/demo.gif" alt="Demo cast under Linux Termite with Inconsolata font 12pt">
+<img src="./assets/demo.gif" alt="Demo cast under Linux Termite with Inconsolata font 12pt">
 
 `tui-rs` is a [Rust](https://www.rust-lang.org) library to build rich terminal
 user interfaces and dashboards. It is heavily inspired by the `Javascript`

src/lib.rs

@@ -1,7 +1,7 @@
 //! [tui](https://github.com/fdehau/tui-rs) is a library used to build rich
 //! terminal users interfaces and dashboards.
 //!
-//! ![](https://raw.githubusercontent.com/fdehau/tui-rs/master/docs/demo.gif)
+//! ![](https://raw.githubusercontent.com/fdehau/tui-rs/master/assets/demo.gif)
 //!
 //! # Get started
 //!