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/DataBackupEntryKind.cs

@@ -0,0 +1,83 @@
+namespace AIStudio.Tools.DataBackup;
+
+/// <summary>
+/// What an entry of the backup contents holds, and with it, whether it belongs into a backup.
+/// </summary>
+public enum DataBackupEntryKind
+{
+    /// <summary>
+    /// The settings. A backup leaves out what a configuration plugin of the organization manages.
+    /// </summary>
+    SETTINGS,
+
+    /// <summary>
+    /// The chats of the workspaces, with their transcripts.
+    /// </summary>
+    WORKSPACES,
+
+    /// <summary>
+    /// The temporary chats, with their transcripts.
+    /// </summary>
+    TEMPORARY_CHATS,
+
+    /// <summary>
+    /// The plugins of the user. A backup leaves out the plugins of the organization.
+    /// </summary>
+    PLUGINS,
+
+    /// <summary>
+    /// The copies of the tokenizers the user chose for a provider.
+    /// </summary>
+    TOKENIZERS,
+
+    /// <summary>
+    /// The projects of the Visual Briefing Assistant.
+    /// </summary>
+    VISUAL_BRIEFINGS,
+
+    /// <summary>
+    /// The SQLite index of the data sources: which files are embedded, and their text chunks.
+    /// </summary>
+    DATA_SOURCE_INDEX,
+
+    /// <summary>
+    /// The vector stores, which hold the embeddings of the data sources.
+    /// </summary>
+    VECTOR_STORES,
+
+    /// <summary>
+    /// The copies of the settings which every version of AI Studio keeps for itself.
+    /// </summary>
+    SETTINGS_OF_OTHER_VERSIONS,
+
+    /// <summary>
+    /// The plugins which come with AI Studio, such as the language packs.
+    /// </summary>
+    BUILT_IN_PLUGINS,
+
+    /// <summary>
+    /// The plugins which the organization deploys, or tries out for one session.
+    /// </summary>
+    ORGANIZATION_PLUGINS,
+
+    /// <summary>
+    /// Files AI Studio needs only for a moment, while it works on something, and removes again.
+    /// </summary>
+    TEMPORARY_FILES,
+
+    /// <summary>
+    /// Tools AI Studio downloaded, which depend on the OS, such as Pandoc.
+    /// </summary>
+    DOWNLOADED_TOOLS,
+
+    /// <summary>
+    /// The keys with which the user interface protects its data. Only the Flatpak keeps them in the data
+    /// folder, since the home folder is read-only there, and AI Studio creates new ones when they are missing.
+    /// </summary>
+    INTERFACE_KEYS,
+
+    /// <summary>
+    /// The log files.
+    /// </summary>
+    LOGS,
+}