Add NewsResourceTopicCrossRef.sq

core/database/src/commonMain/sqldelight/com/google/samples/apps/nowinandroid/core/database/NewsResourceTopicCrossRef.sq

@@ -0,0 +1,10 @@
+CREATE TABLE news_resources_topics (
+    news_resource_id TEXT NOT NULL,
+    topic_id TEXT NOT NULL,
+    PRIMARY KEY (news_resource_id, topic_id),
+    FOREIGN KEY (news_resource_id) REFERENCES news_resources(id) ON DELETE CASCADE,
+    FOREIGN KEY (topic_id) REFERENCES TopicEntity(id) ON DELETE CASCADE
+);
+
+CREATE INDEX idx_news_resource_id ON news_resources_topics(news_resource_id);
+CREATE INDEX idx_topic_id ON news_resources_topics(topic_id);