pAIs, Computers and ntIRC (#8757)

#8005 just revived.

Tasks to acomplish while here:

Fix merge conflicts

    Add ntIRC direct messaging

Things I migth consider adding in future PR:

    Porting IRC to VueUI
    Porting File Manager to VueUI.

code/modules/modular_computers/computers/modular_computer/variables.dm

@@ -41,6 +41,7 @@
 	var/steel_sheet_cost = 5								// Amount of steel sheets refunded when disassembling an empty frame of this computer.
 	var/light_strength = 0									// Intensity of light this computer emits. Comparable to numbers light fixtures use.
 	var/list/idle_threads = list()							// Idle programs on background. They still receive process calls but can't be interacted with.
+	var/list/enabled_services = list()						// Enabled services that run in background and handle things pasively. Supported on all CPUs.
 	var/power_has_failed = FALSE
 	var/is_holographic = FALSE