fix broken links (#441)

Co-authored-by: Igor Aleksanov <popzxc@yandex.ru>
Co-authored-by: Altug Sahin <altugsahin@gmail.com>
Co-authored-by: Rob Ede <robjtede@icloud.com>

template_engines/handlebars/README.md

@@ -2,6 +2,11 @@
 
 This is an example of how to use Actix Web with the [Handlebars templating language](https://crates.io/crates/handlebars), which is currently the most popular crate that achieves this. After starting the server with `cargo run`, you may visit the following pages:
 
+```bash
+cd template_engines/handlebars
+cargo run
+```
+
 - http://localhost:8080
 - http://localhost:8080/Emma/documents
 - http://localhost:8080/Bob/passwords

template_engines/tera/README.md

@@ -7,7 +7,7 @@ Minimal example of using the template [tera](https://github.com/Keats/tera) that
 ### server
 
 ```bash
-cd examples/template_tera
+cd template_engines/tera
 cargo run (or ``cargo watch -x run``)
 # Started http server: 127.0.0.1:8080
 ```

template_engines/tinytemplate/README.md

@@ -7,7 +7,7 @@ See the documentation for the minimalist template engine [tiny_template](https:/
 ### Server
 
 ```bash
-cd examples/template_tinytemplate
+cd template_engines/tinytemplate
 cargo run # (or ``cargo watch -x run``)
 # Started http server: 127.0.0.1:8080
 ```

template_engines/yarte/README.md

@@ -3,8 +3,8 @@
 Minimal example of using template [yarte](https://github.com/botika/yarte) that displays a form.
 
 ```bash
+cd template_engines/yarte
 cargo test
-
 cargo run
 ```
 > open `localhost:8080`