Migrate all commands to new lib

exp_scenario/module/commands/spectate.lua

@@ -0,0 +1,29 @@
+--[[-- Commands - Spectate
+Adds commands relating to spectate and follow
+]]
+
+local Commands = require("modules/exp_commands")
+local Spectate = require("modules.exp_legacy.modules.control.spectate") --- @dep modules.control.spectate
+
+--- Toggles spectator mode for the caller
+Commands.new("spectate", { "exp-commands_spectate.description-spectate" })
+    :register(function(player)
+        if Spectate.is_spectating(player) then
+            Spectate.stop_spectate(player)
+        else
+            Spectate.start_spectate(player)
+        end
+    end)
+
+--- Enters follow mode for the caller, following the given player.
+Commands.new("follow", { "exp-commands_spectate.description-follow" })
+    :argument("player", { "exp-command_spectate.arg-player" }, Commands.types.player_online)
+    :add_aliases{ "f" }
+    :register(function(player, other_player)
+        --- @cast other_player LuaPlayer
+        if player == other_player then
+            return Commands.status.invalid_input{ "exp-command_spectate.follow-self" }
+        else
+            Spectate.start_follow(player, other_player)
+        end
+    end)