Add base code for REST API using Flask

tofu_api/api/rest_api.py

@@ -0,0 +1,14 @@
+from flask import Blueprint
+
+from .tasks import TaskApiBlueprint
+
+
+class TofuApiBlueprint(Blueprint):
+    """
+    Main blueprint for the Tofu REST API.
+    """
+
+    def __init__(self):
+        super().__init__('rest_api', __name__, url_prefix='/api')
+
+        self.register_blueprint(TaskApiBlueprint())