added basic UI

.vscode/settings.json

@@ -11,6 +11,7 @@
     "FOSS",
     "noto",
     "pamac",
+    "pytermgui",
     "ungoogled"
   ],
   "python.formatting.provider": "black"

src/entry.py

@@ -1,5 +1,7 @@
 from .initialize import initialize
+from .ui.show_main_menu import show_main_menu
 
 
 def entry():
     initialize()
+    show_main_menu()

src/ui/show_main_menu.py

@@ -0,0 +1,16 @@
+from argparse import ArgumentParser, Namespace
+from subprocess import run
+
+import pytermgui as ptg
+
+
+def show_main_menu():
+    with ptg.WindowManager() as manager:
+        window = ptg.Window(
+            ptg.Label("[wm-title]menu"),
+            ptg.Label(),
+            ptg.Button("Exit!", lambda *_: manager.exit()),
+        )
+
+        manager.add(window)
+        manager.run()