Implement Gtk Network Status (#165)

Implemented
- Switch reacts to burrow socket and network changes 
- meson as build system
- Basic diagnostics to ensure burrow is installed properly
- Flatpak / Meson Building

burrow-gtk/src/components/mod.rs

@@ -0,0 +1,20 @@
+use super::*;
+use adw::prelude::*;
+use burrow::{DaemonClient, DaemonCommand, DaemonResponseData};
+use gtk::Align;
+use relm4::{
+    component::{
+        AsyncComponent, AsyncComponentController, AsyncComponentParts, AsyncComponentSender,
+        AsyncController,
+    },
+    prelude::*,
+};
+use std::sync::Arc;
+use tokio::sync::Mutex;
+
+mod app;
+mod settings;
+mod settings_screen;
+mod switch_screen;
+
+pub use app::*;