moved files out of subdirectories, added required documentation

src/baby_dragon.cc

@@ -0,0 +1,15 @@
+#include "baby_dragon.h"
+
+#include "constants.h"
+
+baby_dragon::baby_dragon(RNG *rng, const feature enabled_features,
+                         const position &pos, const int gen_room_num):
+        enemy_base{rng, enabled_features, BABY_DRAGON, pos, gen_room_num, "B"} {}
+
+const char *baby_dragon::get_race_name() const {
+        return "Baby_Dragon";
+}
+
+void baby_dragon::apply_effect(std::unique_ptr<potion> effect) {
+        return;
+}