feat: add css logging

src/ui/uicontroller.c

@@ -1,17 +1,24 @@
 #include "uicontroller.h"
+#include "gdk/gdk.h"
 #include "gtk/gtk.h"
+#include "gtk/gtkcssprovider.h"
 
 void vektor_uictrl_init(GtkApplication *app, VektorWidgetState *stateOut) {
   GtkBuilder *builder = gtk_builder_new();
   GError *error = NULL;
 
-  g_print("%s\n", g_get_current_dir());
-
   // TODO: .ui files as resources instead of sketchy relative paths
   if (!gtk_builder_add_from_file(builder, "./ui/main.ui", &error)) {
     g_error("Fatal: %s", error->message);
   }
 
+  GtkCssProvider* provider = gtk_css_provider_new();
+  gtk_css_provider_load_from_path(provider, "./ui/main.css");
+  gtk_style_context_add_provider_for_display(gdk_display_get_default(), 
+    GTK_STYLE_PROVIDER(provider), 
+    GTK_STYLE_PROVIDER_PRIORITY_APPLICATION
+  );
+
   stateOut->window = GTK_WINDOW(gtk_builder_get_object(builder, "main_window"));
   stateOut->workspacePaned =
       GTK_PANED(gtk_builder_get_object(builder, "workspace_paned"));