add initial project files including .gitignore, editor settings, and Two Sum implementation

Easy/TwoSum/TwoSum.h

@@ -0,0 +1,16 @@
+//
+// Created by bob on 12/04/2026.
+//
+
+#ifndef LEET_CODE_PROG_TWOSUM_H
+#define LEET_CODE_PROG_TWOSUM_H
+
+
+
+class TwoSum {
+
+};
+
+
+
+#endif //LEET_CODE_PROG_TWOSUM_H