keys: Add new help category for user list actions.

To remove the suffix "(from user list)" from the help texts
of user list hotkeys in the help menu.

Added a new command entry `NARROW_TO_USER_PM` to the user list actions.

Hotkeys document regenerated.

Author: Niloth-p

docs/hotkeys.md

@@ -11,7 +11,6 @@
 |Copy information from About Menu to clipboard|<kbd>c</kbd>|
 |Redraw screen|<kbd>Ctrl</kbd> + <kbd>l</kbd>|
 |Quit|<kbd>Ctrl</kbd> + <kbd>c</kbd>|
-|Show/hide user information (from users list)|<kbd>i</kbd>|
 |New footer hotkey hint|<kbd>Tab</kbd>|
 
 ## Navigation
@@ -70,6 +69,12 @@
 |Mute/unmute streams|<kbd>m</kbd>|
 |Show/hide stream information & modify settings|<kbd>i</kbd>|
 
+## User list actions
+|Command|Key Combination|
+| :--- | :---: |
+|Show/hide user information|<kbd>i</kbd>|
+|Narrow to direct messages with user|<kbd>Enter</kbd>|
+
 ## Begin composing a message
 |Command|Key Combination|
 | :--- | :---: |

zulipterminal/config/keys.py

@@ -337,8 +337,16 @@ class KeyBinding(TypedDict):
     },
     'USER_INFO': {
         'keys': ['i'],
-        'help_text': 'Show/hide user information (from users list)',
-        'key_category': 'general',
+        'help_text': 'Show/hide user information',
+        'key_category': 'user_list',
+    },
+    'NARROW_TO_USER_PM': {
+        # Added to clarify functionality of button activation,
+        # as opposed to opening user profile or other effects.
+        # Implementation uses ACTIVATE_BUTTON command.
+        'keys': ['enter'],
+        'help_text': 'Narrow to direct messages with user',
+        'key_category': 'user_list',
     },
     'BEGINNING_OF_LINE': {
         'keys': ['ctrl a', 'home'],
@@ -458,6 +466,7 @@ class KeyBinding(TypedDict):
     "searching": "Searching",
     "msg_actions": "Message actions",
     "stream_list": "Stream list actions",
+    "user_list": "User list actions",
     "open_compose": "Begin composing a message",
     "compose_box": "Writing a message",
     "editor_navigation": "Editor: Navigation",