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/006_create_assets_table.sql

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+CREATE TABLE assets (
+    id INT AUTO_INCREMENT PRIMARY KEY,
+    inventarnummer VARCHAR(255) UNIQUE NOT NULL,
+    bezeichnung VARCHAR(500) NOT NULL,
+    kategorie_id INT,
+    standort_id INT,
+    abteilung_id INT,
+    raum VARCHAR(100),
+    lieferant VARCHAR(255),
+    seriennummer VARCHAR(255),
+    anschaffungsdatum DATE,
+    anschaffungspreis DECIMAL(10,2),
+    garantie_bis DATE,
+    zustand ENUM('neu', 'gut', 'befriedigend', 'schlecht', 'defekt') DEFAULT 'gut',
+    status ENUM('aktiv', 'inaktiv', 'ausgemustert') DEFAULT 'aktiv',
+    kostenstelle VARCHAR(50),
+    notizen TEXT,
+    created_by INT,
+    updated_by INT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+    FOREIGN KEY (kategorie_id) REFERENCES categories(id) ON DELETE SET NULL,
+    FOREIGN KEY (standort_id) REFERENCES locations(id) ON DELETE SET NULL,
+    FOREIGN KEY (abteilung_id) REFERENCES departments(id) ON DELETE SET NULL,
+    FOREIGN KEY (created_by) REFERENCES users(id) ON DELETE SET NULL,
+    FOREIGN KEY (updated_by) REFERENCES users(id) ON DELETE SET NULL,
+    INDEX idx_inventarnummer (inventarnummer),
+    INDEX idx_kategorie_id (kategorie_id),
+    INDEX idx_standort_id (standort_id),
+    INDEX idx_status (status),
+    INDEX idx_seriennummer (seriennummer),
+    INDEX idx_anschaffungsdatum (anschaffungsdatum),
+    INDEX idx_garantie_bis (garantie_bis)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;