feat(farming/database): listen for disk or peripheral eject

automate_farming/database_main.lua

@@ -8,3 +8,17 @@ local setupFieldChannel = 421 -- Setup Field Channel
 if (databaseModem.isOpen(fieldDataChannel) or databaseModem.isOpen(setupFieldChannel)) then databaseModem.closeAll() end
 databaseModem.open(fieldDataChannel)
 databaseModem.open(setupFieldChannel)
+
+local function listenForDiskEject() 
+    repeat
+        local _, side = os.pullEvent("disk_eject")
+    until side ~= nil
+    error("Disk was ejected!")
+end
+
+local function listenForPeripheralDetach() 
+    repeat
+        local _, side = os.pullEvent("peripheral_detach")
+    until side ~= nil
+    error("Modem was removed!")
+end