Implement follow command

Modules/Commander.lua

@@ -165,6 +165,12 @@ function shared.Commander.Init()
 		LeaveParty()
 		return {}
 	end
+	---@param target string
+	local function FollowTarget(target)
+		if not target then return end
+		FollowUnit(target)
+		return {}
+	end
 
 	---@class Command
 	---@field keywordRe string
@@ -179,6 +185,7 @@ function shared.Commander.Init()
 		{ keywordRe = "^helpen",     commanderOnly = false, callback = HelpEn },
 		{ keywordRe = "^joingroup",  commanderOnly = true,  callback = JoinGroup },
 		{ keywordRe = "^leavegroup", commanderOnly = true,  callback = LeaveGroup },
+		{ keywordRe = "^follow",     commanderOnly = false,  callback = FollowTarget },
 	}
 
 	local commanderChannelFrame = CreateFrame("Frame")