feat: Add document template management functionality

- Created migration script to add `docx_templates` table with necessary fields and indexes.
- Implemented API routes for uploading, fetching, and deleting document templates.
- Developed document generation feature using selected templates and project data.
- Added UI components for template upload and listing, including a modal for document generation.
- Integrated document generation into the project view page, allowing users to generate documents based on selected templates.
- Enhanced error handling and user feedback for template operations.

src/app/api/templates/[templateId]/route.js

@@ -0,0 +1,46 @@
+import { NextRequest, NextResponse } from "next/server";
+import { unlink } from "fs/promises";
+import path from "path";
+import db from "@/lib/db";
+
+export async function DELETE(request, { params }) {
+	try {
+		const { templateId } = params;
+
+		// Get template info
+		const template = db.prepare(`
+			SELECT * FROM docx_templates WHERE template_id = ?
+		`).get(templateId);
+
+		if (!template) {
+			return NextResponse.json(
+				{ error: "Template not found" },
+				{ status: 404 }
+			);
+		}
+
+		// Soft delete by setting is_active to 0
+		db.prepare(`
+			UPDATE docx_templates
+			SET is_active = 0, updated_at = CURRENT_TIMESTAMP
+			WHERE template_id = ?
+		`).run(templateId);
+
+		// Optionally delete the file (uncomment if you want hard delete)
+		// try {
+		// 	const filePath = path.join(process.cwd(), "public", template.file_path);
+		// 	await unlink(filePath);
+		// } catch (fileError) {
+		// 	console.warn("Could not delete template file:", fileError);
+		// }
+
+		return NextResponse.json({ success: true });
+
+	} catch (error) {
+		console.error("Template deletion error:", error);
+		return NextResponse.json(
+			{ error: "Failed to delete template" },
+			{ status: 500 }
+		);
+	}
+}