Add Exodii castle starting scenario (CleverRaven#79321)

* Exodii castle startign scenario

* Fixing Exodii start scenario

* Add requirement to Strange Castle scenario
Reaching the exodii base is needed to unlock scenario

* Fix wording of Strange Castle scenario

* Fix "insufficient spaces at this location" error
Added second space to scenario description

* Fixing build error
Adding extra space in scenario description

data/json/mapgen/exodii/exodii_base.json

@@ -126,7 +126,8 @@
         { "type": "NPC_INVESTIGATE_ONLY", "faction": "exodii", "x": [ 72, 95 ], "y": [ 0, 23 ] },
         { "type": "NPC_INVESTIGATE_ONLY", "faction": "exodii", "x": [ 72, 95 ], "y": [ 24, 47 ] },
         { "type": "NPC_INVESTIGATE_ONLY", "faction": "exodii", "x": [ 72, 95 ], "y": [ 48, 71 ] },
-        { "type": "NPC_INVESTIGATE_ONLY", "faction": "exodii", "x": [ 72, 95 ], "y": [ 72, 95 ] }
+        { "type": "NPC_INVESTIGATE_ONLY", "faction": "exodii", "x": [ 72, 95 ], "y": [ 72, 95 ] },
+        { "type": "ZONE_START_POINT", "faction": "your_followers", "x": [ 22, 23 ], "y": [ 83, 84 ] }
       ],
       "faction_owner": [
         { "id": "exodii", "x": [ 0, 23 ], "y": [ 0, 23 ] },

data/json/scenarios.json

@@ -19,6 +19,17 @@
     "start_name": "Refugee Center",
     "flags": [ "LONE_START" ]
   },
+  {
+    "type": "scenario",
+    "id": "exodiicastle",
+    "name": "Strange Castle",
+    "points": 0,
+    "description": "You have survived the initial wave of panic, and made your way to the wilderness.  You were expecting this area to be uninhabited, but instead you see a large castle guarded by strange robots.  At the entrance stands a sign, it reads \"Traders Come Well Avaunt\"",
+    "allowed_locs": [ "sloc_exodii_castle" ],
+    "start_name": "Strange Castle",
+    "flags": [ "LONE_START" ],
+    "requirement": "achievement_reach_exodii_base"
+  },
   {
     "type": "scenario",
     "id": "friend_liam",

data/json/start_locations.json

@@ -82,6 +82,13 @@
     "terrain": [ "evac_center_18" ],
     "flags": [ "ALLOW_OUTSIDE" ]
   },
+  {
+    "type": "start_location",
+    "id": "sloc_exodii_castle",
+    "name": "Exodii castle",
+    "terrain": [ "exodii_base_x0y3z0" ],
+    "flags": [ "ALLOW_OUTSIDE" ]
+  },
   {
     "type": "start_location",
     "id": "sloc_house_boarded",