Added frontend_common skeletons

groundStation/src/frontend/frontend_common.c

+#include <

groundStation/src/frontend/frontend_common.h

+#ifndef FRONTEND_COMMON_H
+#define FRONTEND_COMMON_H
+
+struct backend_conn;
+
+/* Start connection to quad */
+struct backend_conn * ucart_backendConnect();
+
+/* Stop connection to quad */
+void ucart_backendDisconnect(struct backend_conn * conn);
+
+/* Get a string from the backend. NOTE: free() the string when
+ * you are done with it.
+ */
+char * backendGetline(struct backend_conn * conn);
+
+#endif