user docs: Add custom profile field docs.

templates/zerver/help/add-custom-profile-fields.md

@@ -0,0 +1,36 @@
+# Add custom profile fields
+
+By default, user profiles show their name, email, date they joined, and when
+they were last active. You can also add custom profile fields like country
+of residence, birthday, manager, Twitter handle, and more.
+
+Custom profile fields are always optional, and do not appear in users'
+profiles until they fill them out.
+
+## Add a custom profile field
+
+{settings_tab|profile-field-settings}
+
+1. Under **Add a new profile field**, enter a **Label**, **Hint**, and **Type**.
+
+1. Click **Add profile field**.
+
+1. Click and drag the vertical dots on the left to order the fields.
+
+## Profile field types
+
+There are several different types of fields available.
+
+* **Short text**: For one line responses, like "Twitter handle" or
+    "Job title". Responses are limited to 50 characters.
+* **Long text**: For multiline responses, like "Biography".
+* **Date picker**: For dates, like "Birthday".
+* **Link**: For links to websites, like "LinkedIn profile".
+* **List of options**: Creates a dropdown with a list of options.
+* **Person picker**: For selecting other users, like "Manager" or
+    "Direct reports".
+
+## Related articles
+
+* [Edit your profile](/help/edit-your-profile)
+* [View someone's profile](/help/view-someones-profile)

templates/zerver/help/edit-your-profile.md

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+# Edit your profile
+
+By default, your profile includes your name, email, the date you joined, and
+when you were last active.
+
+Organization administrators can also
+[add custom profile fields](/help/add-custom-profile-fields). Custom profile
+fields are always optional, and will not appear in your profile unless you
+fill them out.
+
+## Edit your profile
+
+{settings_tab|your-account}
+
+1. Edit the fields under **Profile**.
+
+Note: The **Profile** section will only appear if an organization
+administrator has added custom profile fields.
+
+## Related articles
+
+* [Change your name](/help/change-your-name)
+* [Change your email address](/help/change-your-email-address)
+* [View someone's profile](/help/view-someones-profile)

templates/zerver/help/include/sidebar.md

@@ -7,6 +7,7 @@
 ## Account basics
 * [Change your name](/help/change-your-name)
 * [Change your email address](/help/change-your-email-address)
+* [Edit your profile](/help/edit-your-profile)
 * [Manage your password](/help/change-your-password)
 * [Edit your settings](/help/change-your-settings)
 * [Set your avatar](/help/change-your-avatar)
@@ -62,6 +63,7 @@
 ## People
 * [Check whether someone is on-line](/help/check-whether-someone-is-here-or-away)
 * [Invite another user](/help/invite-a-friend-to-zulip)
+* [View someone's profile](/help/view-someones-profile)
 
 ## Streams & topics
 * [About streams and topics](/help/about-streams-and-topics)
@@ -131,6 +133,7 @@
 * [Community topic edits](/help/community-topic-edits)
 * [Require topics in stream messages](/help/require-topics)
 * [Add custom emoji](/help/add-custom-emoji)
+* [Add custom profile fields](/help/add-custom-profile-fields)
 * [Configure authentication methods](/help/configure-authentication-methods)
 * [Add a custom linkification filter](/help/add-a-custom-linkification-filter)
 

templates/zerver/help/view-someones-profile.md

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+# View someone's profile
+
+A user's profile includes their name, email, the date they joined, when they
+were last active, and any
+[custom profile fields](/help/add-custom-profile-fields) they've filled out.
+
+## View someone's profile
+
+### Via the message list
+
+1. Click on a user's avatar.
+
+1. Click **View user profile**.
+
+### Via the right sidebar
+
+1. Hover over a user's name in the right sidebar.
+
+1. Click on the down chevron (<i class="icon-vector-chevron-down"></i>) to
+   the right of their name.
+
+1. Click **View user profile**.
+
+## Related articles
+
+* [Edit your profile](/help/edit-your-profile)
+* [Add custom profile fields](/help/add-custom-profile-fields)