Move panel into an old-panel subdirectory

We expect to replace this with applets running under
https://github.com/pop-os/cosmic-dock-epoch.

Cargo.toml

@@ -1,32 +1,2 @@
-[package]
-name = "pop-cosmic-panel"
-version = "0.1.0"
-edition = "2021"
-license = "LGPL-3.0-or-later"
-
-[dependencies]
-cascade = "1"
-chrono = "0.4"
-byte_string = "1"
-derivative = "2"
-enumflags2 = "0.7"
-futures = "0.3"
-futures-channel = "0.3"
-gdk4-x11 = { version = "0.4.2", features = ["xlib"] }
-gdk4-wayland = { version = "0.4", optional = true }
-gtk4 = "0.4"
-gobject-sys = "0.15"
-libcosmic = { git = "https://github.com/pop-os/libcosmic" }
-once_cell = "1"
-serde = "1"
-toml = "0.5"
-x11 = { version = "2", features = ["xlib"] }
-zbus = "2"
-zbus_names = "2"
-zvariant = "3"
-
-[features]
-layer-shell = ["gdk4-wayland", "libcosmic/layer-shell"]
-
 [workspace]
-members = ["applets/cosmic-applet-audio", "applets/cosmic-applet-graphics", "applets/cosmic-applet-network", "applets/cosmic-applet-power"]
+members = ["applets/cosmic-applet-audio", "applets/cosmic-applet-graphics", "applets/cosmic-applet-network", "applets/cosmic-applet-power", "old-panel"]

old-panel/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "pop-cosmic-panel"
+version = "0.1.0"
+edition = "2021"
+license = "LGPL-3.0-or-later"
+
+[dependencies]
+cascade = "1"
+chrono = "0.4"
+byte_string = "1"
+derivative = "2"
+enumflags2 = "0.7"
+futures = "0.3"
+futures-channel = "0.3"
+gdk4-x11 = { version = "0.4.2", features = ["xlib"] }
+gdk4-wayland = { version = "0.4", optional = true }
+gtk4 = "0.4"
+gobject-sys = "0.15"
+libcosmic = { git = "https://github.com/pop-os/libcosmic" }
+once_cell = "1"
+serde = "1"
+toml = "0.5"
+x11 = { version = "2", features = ["xlib"] }
+zbus = "2"
+zbus_names = "2"
+zvariant = "3"
+
+[features]
+layer-shell = ["gdk4-wayland", "libcosmic/layer-shell"]