feat(dashboard): add administrator authentication

dashboard/app.py

@@ -13,6 +13,7 @@ if __package__ in (None, ""):
 st.set_page_config(page_title="Jarca Ledger", page_icon="💰", layout="wide")
 
 from dashboard.common import clear_cache, get_db_path, get_transfer_review_items, inject_app_css, render_sidebar_nav  # noqa: F401
+from dashboard.authentication import require_dashboard_authentication
 from dashboard.page_views.accounts import page_accounts
 from dashboard.page_views.assets import page_assets
 from dashboard.page_views.categories import page_categories
@@ -25,6 +26,9 @@ from dashboard.page_views.transactions import page_transactions
 from dashboard.page_views.uncategorized import page_uncategorized
 
 def main() -> None:
+    if not require_dashboard_authentication():
+        return
+
     db_path = get_db_path()
     inject_app_css()
     pages = ["월정산", "요약", "자산/마감", "거래내역", "확인필요 큐", "미분류", "분류 규칙", "카테고리", "계좌", "Import"]