Begin adding md parser

codupoc/codupoc.py

@@ -47,8 +47,11 @@ class Codupoc(App[None]):
         todo.focus()
 
     def insert_todo(self, title: str, scroller: VerticalScroll):
-        id = gen_random_base64(10)
-        self.todos[id] = { "title": title, "completed": False }
+        todo_id = gen_random_base64(10)
+        self.todos[todo_id] = { "title": title, "completed": False }
+        todo = TodoItem(self, title, id=todo_id)
+        scroller.mount(todo)
+        todo.focus()
 
 
     def __init__(self):

codupoc/todomanager.py

@@ -0,0 +1,17 @@
+import sys
+from os import path
+
+class TodoManager:
+    filename = "todo.md"
+
+    def __init__(self):
+        self.file = None
+
+    def does_todo_file_exist(self):
+        return path.exists(self.filename)
+
+    def open_todo_file(self):
+        self.file = open(self.filename, "a")
+        return self.file
+
+    # Parse and save file as needed.