Restructured searcher layout

plugins/searcher/widgets/file_preview_widget.py

@@ -0,0 +1,16 @@
+# Python imports
+
+# Gtk imports
+import gi
+gi.require_version('Gtk', '3.0')
+from gi.repository import Gtk
+
+# Application imports
+
+
+class FilePreviewWidget(Gtk.LinkButton):
+    def __init__(self, path, file):
+        super(FilePreviewWidget, self).__init__()
+        self.set_label(file)
+        self.set_uri(f"file://{path}")
+        self.show_all()