Created Users Panel

This is the Tab in the main Settings dialog to show all interaction with
saved users in the database.

UI/Controls/users.gd

@@ -0,0 +1,22 @@
+extends PanelContainer
+
+@onready var itu := %InternalTwitchUserInfo
+@onready var iul := %InternalUserLive
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	%SearchTwitchUser.users_updated.connect(%UserList.update_list)
+	%UserList.populate_list()
+	%UserList.user_selected.connect(_handle_user_selected)
+	set_tab_names()
+
+func set_tab_names() -> void:
+	for pnl in %Tabs.get_children():
+		var title := pnl.name.trim_prefix("Internal").capitalize()
+		%Tabs.set_tab_title(pnl.get_index(), title)
+
+
+func _handle_user_selected(user: Chatter) -> void:
+	itu.chatter = user
+	iul.chatter = user
+	%Tabs.current_tab = 0