update readme

README.md

@@ -2,22 +2,33 @@
 
 ### 1. Setup
 
+You need a `redis` server running, if you don't have it, you can simply use a docker container for it with `docker run -d redis`.
+
 All commands above must be launched from the root of this repository.
 
 ### 2. Build type checkers, controllers, middlewares
 
-Type checkers, controllers and middlewares have to be built before using them. A build command exists for that purpose.
+Type checkers, controllers and middlewares have to be compiled beforehand. A build command exists for that purpose.
 ```bash
-aicra [options] .
+aicra <project-folder>
 ```
 
-**Options**
-- If you want the *controller* folder different than `controller` define it with  `-c`
-- If you want the *middleware* folder different than `middleware` define it with  `-m`
-- If you want the *type checker* folder different than `types` define it with  `-t`
-
 ### 3. Launch the api
 
 ```
 $ go run ./main.go
-```
+```
+
+Now you can play with it with any regular REST API client at `127.0.0.1:4242`.
+
+##### 1. Get an authentication token
+- `POST /token/admin` to get an authentication token.
+
+#### 2. Manage tiny urls
+
+> The authentication token must be set inside the `Authorization` header of each request except for the `GET` method.
+
+- `POST /<some-url>` to set a new tiny-url for the url `<some-url>` to redirect to the FORM variable named `target`. Also you can send the FORM data as _x-www-form-urlencoded_, _form-data_ or _json_.
+- `PUT /<some-url>` to update an existing tiny-url for the url `<some-url>` to redirect to the FORM variable named `target`.
+- `DELETE /<some-url>` to delete the tiny-url for `<some-url>`.
+- `GET /<some-url>` to redirect to the target of an existing url `<some-url>.