AK: Add String::ends_with{,_bytes}()

Author: https://github.com/linusg
Commit: 45dc3d8a3e
Pull-request: https://github.com/SerenityOS/serenity/pull/17698
Reviewed-by: https://github.com/kennethmyhra ✅

AK/String.h

@@ -112,6 +112,9 @@ public:
     bool starts_with(u32 code_point) const;
     bool starts_with_bytes(StringView) const;
 
+    bool ends_with(u32 code_point) const;
+    bool ends_with_bytes(StringView) const;
+
     // Creates a substring with a deep copy of the specified data window.
     ErrorOr<String> substring_from_byte_offset(size_t start, size_t byte_count) const;
     ErrorOr<String> substring_from_byte_offset(size_t start) const;