chore: import upstream snapshot with attribution

examples/nginx/sqlpage_config/migrations/000_init.sql

@@ -0,0 +1,37 @@
+CREATE TABLE users (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    username VARCHAR(50) UNIQUE NOT NULL,
+    email VARCHAR(100) UNIQUE NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE posts (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    user_id INT,
+    title VARCHAR(255) NOT NULL,
+    content TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (user_id) REFERENCES users(id)
+);
+
+CREATE TABLE comments (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    post_id INT,
+    user_id INT,
+    content TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (post_id) REFERENCES posts(id),
+    FOREIGN KEY (user_id) REFERENCES users(id)
+);
+
+INSERT INTO users (username, email) VALUES
+('john_doe', 'john@example.com'),
+('jane_smith', 'jane@example.com');
+
+INSERT INTO posts (user_id, title, content) VALUES
+(1, 'First Post', 'This is the content of the first post.'),
+(2, 'Hello World', 'Hello everyone! This is my first post.');
+
+INSERT INTO comments (post_id, user_id, content) VALUES
+(1, 2, 'Great post!'),
+(2, 1, 'Welcome to the community!');

examples/nginx/sqlpage_config/sqlpage.json

@@ -0,0 +1,7 @@
+{
+  "max_database_pool_connections": 10,
+  "database_connection_idle_timeout_seconds": 1800,
+  "max_uploaded_file_size": 10485760,
+  "compress_responses": false,
+  "environment": "production"
+}