add basic functionality

src/anki_creator_flask/mainapp.py

@@ -0,0 +1,25 @@
+# Pip
+from flask import Blueprint, render_template, request
+
+mainapp = Blueprint("mainapp", __name__, template_folder="templates", url_prefix="/app", static_folder="static")
+
+
+@mainapp.route("/", methods=["GET", "POST"])
+def show():
+    if request.method == "GET":
+        args = request.args.to_dict()
+        deck_type = args.get("deck_type", "")
+        language = args.get("language", "")
+        output_type = args.get("output_type", "")
+        if not deck_type or not language or not output_type:
+            state = "new"
+        else:
+            print()
+            print(deck_type, language, output_type)
+            print()
+            state = "complete"
+    elif request.method == "POST":  
+        state = "ready"
+        form = request.form.to_dict()
+
+    return render_template(f"app.html", data=locals())