Initial commit of the Asset Management System, including project structure, Docker configuration, database migrations, and core application files. Added user authentication, asset management features, and basic UI components.

database/migrations/010_create_inventory_items_table.sql

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+CREATE TABLE inventory_items (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    inventory_id INT NOT NULL,
+    asset_id INT NOT NULL,
+    soll_status ENUM('aktiv', 'inaktiv', 'ausgemustert') NOT NULL,
+    ist_status ENUM('gefunden', 'nicht_gefunden', 'defekt', 'verschoben') NOT NULL,
+    checked_at TIMESTAMP NULL,
+    checked_by INT,
+    bemerkung TEXT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (inventory_id) REFERENCES inventories(id) ON DELETE CASCADE,
+    FOREIGN KEY (asset_id) REFERENCES assets(id) ON DELETE CASCADE,
+    FOREIGN KEY (checked_by) REFERENCES users(id) ON DELETE SET NULL,
+    INDEX idx_inventory_id (inventory_id),
+    INDEX idx_asset_id (asset_id),
+    INDEX idx_checked_by (checked_by),
+    INDEX idx_ist_status (ist_status),
+    UNIQUE KEY unique_inventory_asset (inventory_id, asset_id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;