Add Flet desktop client

Client/Packaging/SaraSuite/Manifest.toml

@@ -0,0 +1,37 @@
+# Kept in sync between SaraSuite/Programs/SaraView/ and SaraView/Client/Packaging/SaraSuite/.
+Name = "SaraView"
+Description = "SaraView's desktop client: view and edit files in a local folder, or on a SaraView server."
+
+[Source]
+Git = "{GitHost}/SaraView"
+# Only the Flet client; the server (Backend/, Frontend/) runs in Docker on SpineS.
+Include = ["Client/*.py", "Client/requirements.txt", "Client/assets/**"]
+Exclude = ["Client/Packaging"]
+
+[Python]
+RequirementsFile = "Client/requirements.txt"
+
+[[Templates]]
+Source = "Launch.sh"
+Target = "{AppDir}/Client/Packaging/Launch.sh"
+Executable = true
+
+[[Templates]]
+Source = "SaraView.desktop"
+Target = "{ApplicationsDir}/SaraView.desktop"
+
+# Made by SaraView itself: Config.toml and Session.toml (your saved login).
+[[Leftovers]]
+Path = "{ConfigDir}"
+Kind = "Config"
+Note = "SaraView's settings and saved server login"
+
+[[Leftovers]]
+Path = "{CacheHome}/SaraView"
+Kind = "Runtime"
+Note = "server files downloaded to open in other programs"
+
+# Shared with the other Flet programs; see Programs/FletIdentity.py.
+[[Templates]]
+Source = "../../FletIdentity.py"
+Target = "{ProgramDir}/FletIdentity.py"