fix: refactor, docker, dateformatter

src/lib/dateFormatter.ts

@@ -0,0 +1,12 @@
+export const formatDate = (dateString: string): string => {
+	const date = new Date(dateString);
+	const year = date.getFullYear();
+	const month = String(date.getMonth() + 1).padStart(2, '0');
+	const day = String(date.getDate()).padStart(2, '0');
+	return `${year}/${month}/${day}`;
+};
+
+export const formatTime = (timeString: string): string => {
+	const [hours, minutes] = timeString.split(':');
+	return `${hours}:${minutes}`;
+};

src/lib/types.ts

@@ -1,5 +1,6 @@
 export type EventType = 'limited' | 'unlimited';
 export type EventVisibility = 'public' | 'private';
+export type ActionType = 'add' | 'remove';
 
 export interface Event {
 	id: string;