[feat] add initial database schema with tables, triggers, and views

database/main/special_ability.sql

@@ -0,0 +1,14 @@
+create table special_ability
+(
+    id           INTEGER
+        primary key,
+    optolith_key TEXT not null
+        unique,
+    name         TEXT not null,
+    type_code    TEXT
+        references sa_type
+            on update cascade,
+    ap_kosten    INTEGER,
+    beschreibung TEXT
+);
+