Added backups of all data, restorable on another computer (#1008)

Co-authored-by: Thorsten Sommer <SommerEngineering@users.noreply.github.com>

app/MindWork AI Studio/Tools/DataBackup/DataBackupEntry.cs

@@ -0,0 +1,27 @@
+namespace AIStudio.Tools.DataBackup;
+
+/// <summary>
+/// A file or folder AI Studio keeps in its data or configuration folder.
+/// </summary>
+/// <param name="Location">The folder in which the entry lies.</param>
+/// <param name="RelativePath">The path of the entry within that folder, with forward slashes. A folder ends with a slash.</param>
+/// <param name="Kind">What the entry holds, and with it, whether it belongs into a backup.</param>
+public sealed record DataBackupEntry(DataBackupLocation Location, string RelativePath, DataBackupEntryKind Kind)
+{
+    /// <summary>
+    /// Whether the entry belongs into a backup.
+    /// </summary>
+    public bool IsIncluded => this.Kind is DataBackupEntryKind.SETTINGS
+        or DataBackupEntryKind.WORKSPACES
+        or DataBackupEntryKind.TEMPORARY_CHATS
+        or DataBackupEntryKind.PLUGINS
+        or DataBackupEntryKind.TOKENIZERS
+        or DataBackupEntryKind.VISUAL_BRIEFINGS
+        or DataBackupEntryKind.DATA_SOURCE_INDEX
+        or DataBackupEntryKind.VECTOR_STORES;
+
+    /// <summary>
+    /// Whether the entry is a folder rather than a single file.
+    /// </summary>
+    public bool IsFolder => this.RelativePath.EndsWith(DataBackupContents.SEPARATOR);
+}