feat: publish Dever core with project scaffolding and versioned AI skills

config/setting.example.json

@@ -0,0 +1,24 @@
+{
+  "database": {
+    "default": {
+      "type": "postgres",
+      "url": "postgresql://dever@127.0.0.1:5432/dever_default?sslmode=disable",
+      "tls": "disabled",
+      "min_connections": 0,
+      "max_connections": 2,
+      "max_page_size": 100,
+      "wait_timeout_ms": 1000,
+      "io_timeout_ms": 5000
+    },
+    "postgres_test": {
+      "type": "postgres",
+      "url": "postgresql://dever@127.0.0.1:5432/dever_{case}?sslmode=disable",
+      "tls": "disabled",
+      "min_connections": 0,
+      "max_connections": 2,
+      "max_page_size": 100,
+      "wait_timeout_ms": 1000,
+      "io_timeout_ms": 5000
+    }
+  }
+}