doc(Readme): Add signed request example

README.md

@@ -34,6 +34,9 @@ A RqlClient relies on an HttpClient. Two implementations are available
 [CwSimpleHttpClient](src/client.ts#L332) and
 [CwSigningHttpClient](src/client.ts#L462).
 
+
+###  CwSimpleHttpClient: anonymous request
+
 [CwSimpleHttpClient](src/client.ts#L332) requires a baseUrl (the base url of a
 cubicweb instance). A boolean can be added to allow cross origin requests. The
 CwSimpleHttpClient can perform a doLogin(login,password) operation on the
@@ -42,11 +45,6 @@ issues](#known-issues)). It can also be transformed into a CwSigningHttpClient
 (toSigningClient()) after a doLogin() operation. It requires that the CubicWeb
 user has at least an enabled token linked to his/her account.
 
-[CwSigningHttpClient](src/client.ts#L462) requires a baseUrl (the base url of a
-cubicweb instance), a tokenName, a tokenValue and a hashMethod code. Each
-request will contain a Authorization header with the connection token and its
-hashed value.
-
 ```javascript
 import {providers, client} from '@logilab/cwclientlibjs';
 
@@ -80,6 +78,33 @@ rqlClient.transactionV2([query]).then(res => {
 });
 ```
 
+### CwSigningHttpClient: authenticated requests.
+
+[CwSigningHttpClient](src/client.ts#L462) requires a baseUrl (the base url of a
+cubicweb instance), a tokenName, a tokenValue and a hashMethod code. Each
+request will contain an Authorization header with the connection token and its
+hashed value.
+
+These tokens are managed on your CubicWeb instance under Profile > Actions > Add
+> Authentication Token.
+
+```javascript
+import {providers, client} from '@logilab/cwclientlibjs';
+
+// url is the base url of your cubicweb instance
+const url = 'http://my-cubicweb-instance-base-url/';
+
+const rqlClient = new client.CwRqlClient(
+    new client.CwSimpleHttpClient(url, "my-token-name", "1a2b3c4d5e6f...")
+);
+
+const query = 'Any X, Y WHERE X is BlogEntry, X entry_of Y';
+
+rqlClient.queryRows(query).then(res => {
+    console.log(res); // [[123,1], [234, 2]]
+});
+```
+
 ## Providers.ts
 
 The [provider](src/providers.ts) namespace provides two main objects: