add types and decouple packs functions from flask

src/type/file.py

@@ -0,0 +1,21 @@
+import json
+
+
+class ModFile:
+    def __init__(
+        self, version: str, hashes: dict[str, str], url: str, filename: str, size: int
+    ):
+        self.version = version
+        self.hashes = hashes
+        self.url = url
+        self.filename = filename
+        self.size = size
+
+    def json(self):
+        return {
+            "version": self.version,
+            "hashes": self.hashes,
+            "url": self.url,
+            "filename": self.filename,
+            "size": self.size,
+        }