Add Boss list for all games and more boss types

backend/src/app/seeds/data/shining-pearl.json

@@ -5839,7 +5839,7 @@
     ]
   },
   {
-    "name": "Pokémon League (Sinnoh)",
+    "name": "Pok\u00e9mon League (Sinnoh)",
     "order": 66,
     "encounters": [
       {
@@ -15631,34 +15631,9 @@
     "encounters": [],
     "children": [
       {
-        "name": "Ramanas Park (Kanto Room)",
+        "name": "Ramanas Park (Johto Room)",
         "order": 164,
-        "encounters": [
-          {
-            "pokeapi_id": 144,
-            "pokemon_name": "Articuno",
-            "method": "static",
-            "encounter_rate": 100,
-            "min_level": 70,
-            "max_level": 70
-          },
-          {
-            "pokeapi_id": 146,
-            "pokemon_name": "Moltres",
-            "method": "static",
-            "encounter_rate": 100,
-            "min_level": 70,
-            "max_level": 70
-          },
-          {
-            "pokeapi_id": 145,
-            "pokemon_name": "Zapdos",
-            "method": "static",
-            "encounter_rate": 100,
-            "min_level": 70,
-            "max_level": 70
-          }
-        ]
+        "encounters": []
       },
       {
         "name": "Ramanas Park (Genome Room)",
@@ -15675,18 +15650,9 @@
         ]
       },
       {
-        "name": "Ramanas Park (Squall Room)",
+        "name": "Ramanas Park (Rainbow Room)",
         "order": 166,
-        "encounters": [
-          {
-            "pokeapi_id": 249,
-            "pokemon_name": "Lugia",
-            "method": "static",
-            "encounter_rate": 100,
-            "min_level": 70,
-            "max_level": 70
-          }
-        ]
+        "encounters": []
       },
       {
         "name": "Ramanas Park (Discovery Room)",