feat(hsm): first version of hsm library functional

lib/util/string.moon

@@ -0,0 +1,18 @@
+---
+-- Splits the input string into an array of non-whitespace substrings.
+--
+-- This function uses Lua's pattern matching to iterate over the provided
+-- string `s` and collects each contiguous sequence of non-whitespace
+-- characters into a new table. If the input is not a string, the function
+-- raises an error.
+--
+-- @param s string: The string to be split. Must be a valid string.
+-- @return table: An array of substrings obtained by splitting `s` on whitespace.
+-- @raise error if the input parameter `s` is not a string.
+export split = (s) ->
+  unless type(s) == "string"
+    error "split() requires a string parameter"
+  chunks = {}
+  for substr in string.gmatch s, '%S+'
+    table.insert chunks, substr
+  chunks