update: improve project structure and add linting/formatting

package.json

@@ -14,9 +14,12 @@
 		"db:generate": "drizzle-kit generate",
 		"db:migrate": "drizzle-kit migrate",
 		"db:push": "drizzle-kit push",
-		"db:studio": "drizzle-kit studio"
+		"db:studio": "drizzle-kit studio",
+		"lint": "prettier --check . && eslint .",
+		"format": "prettier --write ."
 	},
 	"devDependencies": {
+		"@eslint/js": "^9.25.0",
 		"@lucide/svelte": "^0.544.0",
 		"@sveltejs/adapter-auto": "^7.0.0",
 		"@sveltejs/adapter-node": "^5.4.0",
@@ -25,13 +28,19 @@
 		"@tailwindcss/vite": "^4.1.17",
 		"@types/bcrypt": "^6.0.0",
 		"drizzle-kit": "^0.31.7",
+		"eslint": "^9.25.0",
+		"eslint-plugin-svelte": "^3.5.1",
+		"globals": "^16.0.0",
 		"patch-package": "^8.0.1",
 		"postinstall-postinstall": "^2.1.0",
+		"prettier": "^3.5.3",
+		"prettier-plugin-svelte": "^3.3.3",
 		"svelte": "^5.43.8",
 		"svelte-check": "^4.3.4",
 		"tailwindcss": "^4.1.17",
 		"tw-animate-css": "^1.4.0",
 		"typescript": "^5.9.3",
+		"typescript-eslint": "^8.31.0",
 		"vite": "^7.2.2"
 	},
 	"dependencies": {
@@ -44,7 +53,7 @@
 		"bits-ui": "^2.14.4",
 		"clsx": "^2.1.1",
 		"drizzle-orm": "^0.44.7",
-		"lucide-svelte": "^0.554.0",
+
 		"postgres": "^3.4.7",
 		"svelte-dnd-action": "^0.9.67",
 		"tailwind-merge": "^3.4.0",