add invites, fix apiauth query, use luxon for date management, change readme

types/char.d.ts

@@ -0,0 +1,9 @@
+type DurationObject = {
+	years: number;
+	months: number;
+	weeks: number;
+	days: number;
+	hours: number;
+	minutes: number;
+	seconds: number;
+};

types/session.d.ts

@@ -27,3 +27,13 @@ type User = {
 	created_at: Date;
 	last_seen: Date;
 };
+
+type Invite = {
+	id: UUID;
+	created_by: UUID;
+	created_at: Date;
+	expiration: Date | null;
+	uses: number;
+	max_uses: number;
+	role: string;
+};