add Command module

src/core/Command.h

@@ -0,0 +1,27 @@
+#ifndef COMMAND_H
+#define COMMAND_H
+
+#include <stdint.h>
+
+class Command
+{
+public:
+    enum : uint32_t
+    {
+        FOLLOWING_CHAR = 0x1u,
+    };
+
+    enum : uint32_t
+    {
+        FORWARD_UP_TO_CHAR,
+        FORWARD_ON_TO_CHAR,
+        BACK_UP_TO_CHAR,
+        BACK_ON_TO_CHAR,
+        DELETE_LINE,
+        COMMAND_COUNT,
+    };
+
+    uint32_t find_command_by_name(const char * name);
+};
+
+#endif