finished the bulk of game

src/enemies/merchant.cc

@@ -0,0 +1,15 @@
+#include "merchant.h"
+
+#include "../constants.h"
+
+merchant::merchant(RNG *rng, const feature enabled_features,
+                   const position &pos, const int gen_room_num):
+        enemy_base{rng, enabled_features, rmerchant, pos, gen_room_num, "M"} {}
+
+void merchant::print(display *out) {
+        out->print_char(pos, 'M', COLOR_PAIR(COLOR_RED));
+}
+
+const char *merchant::get_race_name() const {
+        return "Merchant";
+}