[feat] extend database schema with new tables and indexes

database/main/kampftechnik.sql

@@ -1,17 +1,19 @@
 create table kampftechnik
 (
-    id             INTEGER
+    id                 INTEGER
         primary key,
-    optolith_key   TEXT              not null
+    optolith_key       TEXT              not null
         unique,
-    name           TEXT              not null,
-    grundwert      INTEGER default 6 not null,
-    probe_attr1_id INTEGER
+    name               TEXT              not null,
+    grundwert          INTEGER default 6 not null,
+    probe_attr1_id     INTEGER
         references attribute,
-    probe_attr2_id INTEGER
+    probe_attr2_id     INTEGER
         references attribute,
-    probe_attr3_id INTEGER
+    probe_attr3_id     INTEGER
         references attribute,
-    beschreibung   TEXT
+    beschreibung       TEXT,
+    leiteigenschaft_id INTEGER
+        references attribute
 );