refactor: rename aris to aelis (#59)

Rename all references across the codebase: package names,
imports, source IDs, directory names, docs, and configs.

Co-authored-by: Ona <no-reply@ona.com>

packages/aelis-source-google-calendar/src/feed-items.ts

@@ -0,0 +1,22 @@
+import type { FeedItem } from "@aelis/core"
+
+import type { CalendarEventData } from "./types"
+
+export const CalendarFeedItemType = {
+	Event: "calendar-event",
+	AllDay: "calendar-all-day",
+} as const
+
+export type CalendarFeedItemType = (typeof CalendarFeedItemType)[keyof typeof CalendarFeedItemType]
+
+export interface CalendarEventFeedItem extends FeedItem<
+	typeof CalendarFeedItemType.Event,
+	CalendarEventData
+> {}
+
+export interface CalendarAllDayFeedItem extends FeedItem<
+	typeof CalendarFeedItemType.AllDay,
+	CalendarEventData
+> {}
+
+export type CalendarFeedItem = CalendarEventFeedItem | CalendarAllDayFeedItem