Implement NetWorker network puzzle game

src/main/resources/db/migration/V14__networker.sql

@@ -0,0 +1,23 @@
+CREATE TABLE networker_worlds (
+    id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    slug VARCHAR(150) NOT NULL UNIQUE,
+    title VARCHAR(200) NOT NULL,
+    description VARCHAR(1200),
+    difficulty VARCHAR(30) NOT NULL DEFAULT 'junior',
+    exam_scope VARCHAR(20) NOT NULL DEFAULT 'AP1',
+    sort_order INT NOT NULL DEFAULT 0,
+    active BOOLEAN NOT NULL DEFAULT TRUE,
+    CONSTRAINT chk_networker_exam_scope CHECK (exam_scope IN ('AP1','AP2_FIAE','AP2_FISI','CROSS'))
+);
+
+CREATE TABLE networker_levels (
+    id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY,
+    world_id BIGINT NOT NULL REFERENCES networker_worlds(id) ON DELETE CASCADE,
+    title VARCHAR(200) NOT NULL,
+    level_type VARCHAR(30) NOT NULL,
+    points INT NOT NULL DEFAULT 100,
+    sort_order INT NOT NULL DEFAULT 0,
+    payload VARCHAR(8000) NOT NULL
+);
+
+CREATE INDEX idx_networker_levels_world ON networker_levels(world_id);