Split session crawling from TUI component

Signed-off-by: AnErrupTion <anerruption@disroot.org>

src/Environment.zig

@@ -0,0 +1,21 @@
+const enums = @import("enums.zig");
+const ini = @import("zigini");
+
+const DisplayServer = enums.DisplayServer;
+const Ini = ini.Ini;
+
+pub const DesktopEntry = struct {
+    Exec: []const u8 = "",
+    Name: [:0]const u8 = "",
+    DesktopNames: ?[:0]u8 = null,
+};
+
+pub const Entry = struct { @"Desktop Entry": DesktopEntry = .{} };
+
+entry_ini: ?Ini(Entry) = null,
+name: [:0]const u8 = "",
+xdg_session_desktop: ?[:0]const u8 = null,
+xdg_desktop_names: ?[:0]const u8 = null,
+cmd: []const u8 = "",
+specifier: []const u8 = "",
+display_server: DisplayServer = .wayland,