initial commit of finplan - works, with basic csv dump, need to remove unneeded variables, reformat and improve csv next

.python/lib/python3.12/site-packages/markupsafe/_native.py

@@ -0,0 +1,8 @@
+def _escape_inner(s: str, /) -> str:
+    return (
+        s.replace("&", "&")
+        .replace(">", ">")
+        .replace("<", "&lt;")
+        .replace("'", "&#39;")
+        .replace('"', "&#34;")
+    )