jams/client.md: add connect with web clients

Change-Id: I77e8abb18f50dc59bbc3722cc7eeae42cd9f0301

jams/client.md

 # Client guide
 
-This tutorial has instructions on how to connect to the JAMS (Jami Account Management Server) with Jami desktop (GNU/Linux, macOS, and Windows) and Jami mobile (Android and iOS) clients.
+This tutorial has instructions on how to connect to the JAMS (Jami Account Management Server) with Jami desktop (GNU/Linux, macOS, and Windows), Jami mobile (Android and iOS), and Jami web clients.
 
 For the purposes of this tutorial, it is assumed that:
 
 1. The server and the device attempting to connect are either:
     * On the same network, or
     * The server is publicly accessible to the outside world.
-1. A valid username/password pair to connect to the server is entered.
-
+2. A valid username/password pair to connect to the server is entered.
 
 ## Connect with desktop clients
 
@@ -26,7 +25,6 @@ The **Jami Account Management Server URL** is the DNS address of the server.
 The **Username** and **Password** correspond to the account.
 If a server has been configured with an LDAP/AD backend, the **Username** and **Password** would be the LDAP/AD username and password.
 
-
 ## Connect with Android clients
 
 Jami mobile clients are available for devices for smartphones, tablets, and TVs running the Android operating system.
@@ -43,7 +41,6 @@ The **Jami Account Management Server URL** is the DNS address of the server.
 The **Username** and **Password** correspond to the account.
 If a server has been configured with an LDAP/AD backend, the **Username** and **Password** would be the LDAP/AD username and password.
 
-
 ## Connect with iOS clients
 
 Jami mobile clients are available for devices for iPhones and iPads running the iOS operating system.
@@ -52,10 +49,26 @@ In Jami, open the **Add another account** page.
 
 ![«Image: Connect to JAMS with Jami mobile clients for iOS (iPhone and iPad) devices: Step 1»](images/connect-to-jams-with-jami-ios-client-step-1.png "Connect to JAMS with Jami mobile clients for iOS (iPhone and iPad) devices: Step 1")
 
-Select **Connect to account manager**.
+Select **Connect to Jami Account Management Server (JAMS)**.
 
 ![«Image: Connect to JAMS with Jami mobile clients for iOS (iPhone and iPad) devices: Step 2»](images/connect-to-jams-with-jami-ios-client-step-2.png "Connect to JAMS with Jami mobile clients for iOS (iPhone and iPad) devices: Step 2")
 
-The **Jami Account Management Server URL** is the DNS address of the server.
+The **JAMS URL** is the DNS address of the server.
 The **Username** and **Password** correspond to the account.
-If a server has been configured with an LDAP/AD backend, the **Username** and **Password** would be the LDAP/AD username and password.
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+If a server has been configured with an LDAP/AD backend, the **Username** and **Password** would be the LDAP/AD username and password.
+
+## Connect with web clients
+
+Jami web clients run on modern [web browsers](https://en.wikipedia.org/wiki/Web_browser).
+
+In a web browser [address bar (also location bar or URL bar)](https://en.wikipedia.org/wiki/Address_bar), enter the Jami Account Manager Server URL address.
+
+If the JAMS administrator has disabled Jami authentication, enter the **Username** and **Password**.
+
+![«Image: Connect to JAMS with web clients: Jami authentication disabled»](images/connect-to-jams-with-jami-web-client-authentication-disabled.png "Connect to JAMS with web clients: Jami authentication disabled")
+
+If the JAMS administrator has enabled Jami authentication, the **Jami** or **JAMS** authentication method is required.
+
+![«Image: Connect to JAMS with web clients: Jami authentication enabled»](images/connect-to-jams-with-jami-web-client-authentication-enabled.png "Connect to JAMS with web clients: Jami authentication enabled")
+
+Select **Log in**.
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