add more survivor stuff

Author: TheGoatGod

data/Unleash_The_Mods/mods/More_Survivor_Stuff/Credits.txt

@@ -0,0 +1,9 @@
+OC Notes Credit
+OC_Credit: Profitablius
+OC_Reddit: "www.reddit.com/u/profitablius"
+
+OC_Credit:
+OC_Reddit: ""
+
+OC_Credit:
+OC_Reddit: ""

data/Unleash_The_Mods/mods/More_Survivor_Stuff/itemgroups.json

@@ -0,0 +1,17 @@
+[
+  {
+    "id": "textbooks",
+    "type": "item_group",
+    "items": [ [ "mss_gunsmithing_book", 2 ] ]
+  },
+  {
+    "id": "artisan_logs",
+    "type": "item_group",
+    "items": [ [ "mss_workshop_log", 20 ], [ "mss_workshop_log_rail", 1 ] ]
+  },
+  {
+    "id": "tools_artisan",
+    "type": "item_group",
+    "items": [ { "group": "tools_common", "prob": 50 }, { "group": "tools_blacksmith", "prob": 50 } ]
+  }
+]