add more account creation info to doc/setup.md

Signed-off-by: hwipl <[email protected]>

doc/setup.md

@@ -96,7 +96,7 @@ to your backends. You can do this from nuqql with the following steps:
 
 * Start nuqql.
 * Enter the conversation with the backend by pressing the `ENTER` key
-  on the entry in the Conversation List (`{backend} purpled` or `{backend}
+  on the entry in the Conversation List (e.g.,`{backend} purpled` or `{backend}
   slixmppd`).
 * Add your accounts (note: send the following commands the backend with the
   `CTRL-X` key combination):
@@ -107,6 +107,60 @@ to your backends. You can do this from nuqql with the following steps:
   example, with this command: `account 0 send [email protected]`. Note: `0`
   is the account ID as shown with `account list`.
 
+The details are backend and chat network/protocol specific. See below for more
+information about XMPP/Jabber, Matrix and Mattermost accounts.
+
+### XMPP/Jabber accounts
+
+You can add a XMPP/Jabber account with the following command:
+
+```
+account add xmpp <account> <password>
+```
+
+The format of xmpp accounts in nuqql-slixmppd is `<username>@<jabberserver>`,
+e.g., `[email protected]`
+
+Example:
+
+```
+account add xmpp [email protected] users_password
+```
+
+### Matrix accounts
+
+You can add a Matrix account with the following command:
+
+```
+account add matrix <account> <password>
+```
+
+The format of matrix accounts in nuqql-matrixd is `<username>@<homeserver>`,
+e.g., `[email protected]`.
+
+Example:
+
+```
+account add matrix [email protected] users_password
+```
+
+### Mattermost accounts
+
+You can add a Mattermost account with the following command:
+
+```
+account add mattermost <account> <password>
+```
+
+The format of mattermost accounts in nuqql-mattermostd is
+`<username>@<server>`, e.g., `[email protected]:8065`.
+
+Example:
+
+```
+account add mattermost [email protected]:8065 users_password
+```
+
 ## Hacky stuff/additional tools
 
 If certain keys do not work, `nuqql-keys` is a tool that might help you to