Improved accuracy of Description for convert-string-to-ascii for better functional representation

Renamed `convert-string-to-ascii.md` to `convert-string-to-unicode.md`
Replaced ASCII with Unicode
Kept `ascii` tag as it is a subset of unicode and to minimize search errors

Fixed issue #192

Author: MinerMinerMods

snippets/python/string-manipulation/convert-string-to-ascii.md

@@ -0,0 +1,14 @@
+---
+title: Convert String to Unicode
+description: Converts a string into its Unicode representation.
+author: axorax
+tags: string,ascii,unicode,convert
+---
+
+```py
+def string_to_unicode(s):
+    return [ord(char) for char in s]
+
+# Usage:
+string_to_unicode('hello') # Returns: [104, 101, 108, 108, 111]
+```