Add fulltext search on risks, documents, and measures

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/coredata/migrations/20250609T212605Z.sql

@@ -0,0 +1,26 @@
+ALTER TABLE documents ADD COLUMN search_vector tsvector
+GENERATED ALWAYS AS (
+    to_tsvector('simple',
+        COALESCE(title, '')
+    )
+) STORED;
+
+CREATE INDEX documents_search_idx ON documents USING gin(search_vector);
+
+ALTER TABLE measures ADD COLUMN search_vector tsvector
+GENERATED ALWAYS AS (
+    to_tsvector('simple',
+        COALESCE(name, '')
+    )
+) STORED;
+
+CREATE INDEX measures_search_idx ON measures USING gin(search_vector);
+
+ALTER TABLE risks ADD COLUMN search_vector tsvector
+GENERATED ALWAYS AS (
+    to_tsvector('simple',
+        COALESCE(name, '')
+    )
+) STORED;
+
+CREATE INDEX risks_search_idx ON risks USING gin(search_vector);