Added Integrated.c for integrated commands

include/Integrated.h

@@ -0,0 +1,6 @@
+#ifndef INTEGRATED_H
+#define INTEGRATED_H
+
+void IntegratedCheck(char* command);
+
+#endif

src/Integrated.c

@@ -0,0 +1,14 @@
+#include <stdlib.h>
+#include "Integrated.h"
+
+// Checks for commands that are built into Pish
+void IntegratedCheck(char* command)
+{
+    if (command == "exit")
+        exit(0);
+    // If there is an argument, change to argument location
+    // Else, change to home directory
+    if (command[0] == 'c' && command[1] == 'd')
+        ;
+    return;
+}