Add tasks for all the new languages

Task/Factorial/Computer-zero-Assembly/factorial-1.computer

@@ -0,0 +1,43 @@
+        LDA  x
+        BRZ  done_i   ; 0! = 1
+
+        STA  i
+
+loop_i: LDA  fact
+        STA  n
+
+        LDA  i
+        SUB  one
+        BRZ  done_i
+
+        STA  j
+
+loop_j: LDA  fact
+        ADD  n
+        STA  fact
+
+        LDA  j
+        SUB  one
+        BRZ  done_j
+
+        STA  j
+        JMP  loop_j
+
+done_j: LDA  i
+        SUB  one
+        STA  i
+
+        JMP  loop_i
+
+done_i: LDA  fact
+        STP
+
+one:         1
+
+fact:        1
+
+i:           0
+j:           0
+n:           0
+
+x:           5

Task/Factorial/Computer-zero-Assembly/factorial-2.computer

@@ -0,0 +1,15 @@
+        LDA  load
+        ADD  x
+        STA  load
+
+load:   LDA  fact
+        STP
+
+fact:        1
+             1
+             2
+             6
+             24
+             120
+
+x:           5