Create Lexer.h

Exercise 2/C/TestLexer.c

@@ -0,0 +1,8 @@
+#include <stdio.h>
+#include "Lexer.h"
+
+int main() {
+    char* sourcecode = "Hello World the second - I coded this before. So yeah, FOXES ARE SUPERIOR.\nBut the professor wants us to write the following: \"index = 2 * count + 42;\"";
+    printf(sourcecode);
+    return 0;
+}