Add tasks for all the new languages

Task/Roman-numerals-Encode/LiveCode/roman-numerals-encode.livecode

@@ -0,0 +1,22 @@
+function toRoman intNum
+    local roman,numArabic
+    put "M,CM,D,CD,C,XC,L,XL,X,IX,V,IV,I" into romans
+    put "1000,900,500,400,100,90,50,40,10,9,5,4,1" into arabics
+    put intNum into numArabic
+    repeat with n = 1 to the number of items of romans
+        put numArabic div item n of arabics into nums
+        if nums > 0 then
+            put repeatChar(item n of romans,nums) after roman
+            add -(nums * item n of arabics) to numArabic
+        end if
+    end repeat
+return roman
+end toRoman
+
+function repeatChar c n
+    local cc
+    repeat n times
+        put c after cc
+    end repeat
+    return cc
+end repeatChar