Split app/core up into domain-oriented files

src/app/editor/RoomReferenceNodeView.ts

@@ -1,6 +1,6 @@
 import type {NodeViewRendererProps} from "@tiptap/core"
 import {displayRelayUrl} from "@welshman/util"
-import {deriveRoom} from "@app/core/state"
+import {deriveRoom} from "@app/groups"
 
 export const RoomReferenceNodeView = ({node}: NodeViewRendererProps) => {
   const dom = document.createElement("span")

src/app/editor/RoomSuggestion.svelte

@@ -1,7 +1,7 @@
 <script lang="ts">
   import {displayRelayUrl} from "@welshman/util"
   import RoomNameWithImage from "@app/components/RoomNameWithImage.svelte"
-  import {splitRoomId} from "@app/core/state"
+  import {splitRoomId} from "@app/groups"
 
   type Props = {
     value: string

src/app/editor/index.ts

@@ -27,14 +27,9 @@ import ProfileSuggestion from "@app/editor/ProfileSuggestion.svelte"
 import {RoomReferenceExtension} from "@app/editor/RoomReferenceExtension"
 import RoomSuggestion from "@app/editor/RoomSuggestion.svelte"
 import {NativeClipboardPasteExtension} from "@app/editor/clipboard"
-import {uploadFile} from "@app/core/commands"
-import {
-  deriveSpaceMembers,
-  makeRoomId,
-  splitRoomId,
-  userSpaceUrls,
-  roomsByUrl,
-} from "@app/core/state"
+import {uploadFile} from "@app/uploads"
+import {deriveSpaceMembers} from "@app/members"
+import {makeRoomId, splitRoomId, userSpaceUrls, roomsByUrl} from "@app/groups"
 import {pushToast} from "@app/toast"
 
 export const makeEditor = async ({