Add tasks for all the new languages

Task/Hello-world-Text/EDSAC-order-code/hello-world-text.edsac

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+[ Print HELLO WORLD ]
+[ A program for the EDSAC ]
+[ Works with Initial Orders 2 ]
+
+T64K  [ Set load point: address 64 ]
+GK    [ Set base address ]
+O13@  [ Each O order outputs one ]
+O14@  [ character. The numerical ]
+O15@  [ parameter gives the offset ]
+O16@  [ (from the base address) where ]
+O17@  [ the character to print is ]
+O18@  [ stored ]
+O19@
+O20@
+O21@
+O22@
+O23@
+O24@
+ZF    [ Stop ]
+*F    [ Shift to print letters ]
+HF    [ Character literals ]
+EF
+LF
+LF
+OF
+!F    [ Space character ]
+WF
+OF
+RF
+LF
+DF
+EZPF  [ Start program beginning at
+        the load point ]