Add link to our book in README.md

README.md

@@ -8,6 +8,9 @@ See below for an example.
 All feedback welcome. Feel free to file bugs, requests for documentation and
 any other feedback to the [issue tracker][issues].
 
+You can find the documentation about our syntax, features, configuration in our book:
+[rinja.readthedocs.io](https://rinja.readthedocs.io/en/latest/).
+
 ### Feature highlights
 
 * Construct templates using a familiar, easy-to-use syntax
@@ -44,7 +47,7 @@ cargo add rinja
 Now create a directory called `templates` in your crate root.
 In it, create a file called `hello.html`, containing the following:
 
-```
+```jinja
 Hello, {{ name }}!
 ```
 

rinja/Cargo.toml

@@ -5,7 +5,7 @@ description = "Type-safe, compiled Jinja-like templates for Rust"
 documentation = "https://docs.rs/rinja"
 keywords = ["markup", "template", "jinja2", "html"]
 categories = ["template-engine"]
-homepage = "https://github.com/rinja-rs/rinja"
+homepage = "https://rinja.readthedocs.io/"
 repository = "https://github.com/rinja-rs/rinja"
 license = "MIT OR Apache-2.0"
 workspace = ".."

rinja/src/lib.rs

@@ -5,7 +5,10 @@
 //! in [`rinja_derive`](https://crates.io/crates/rinja_derive)).
 //!
 //! For feature highlights and a quick start, please review the
-//! [README](https://github.com/rinja-rs/rinja/blob/main/README.md).
+//! [README](https://github.com/rinja-rs/rinja/blob/master/README.md).
+//!
+//! You can find the documentation about our syntax, features, configuration in our book:
+//! [rinja.readthedocs.io](https://rinja.readthedocs.io/en/latest/).
 //!
 //! # Creating Rinja templates
 //!