Update flask and restructure into api folder with apis put into separate folders (#10193)

* Update flask

* Update flask and break apart different sections into different files

* formatting

* Fix test and add safety check

frigate/util/builtin.py

@@ -122,6 +122,9 @@ def clean_camera_user_pass(line: str) -> str:
 
 def escape_special_characters(path: str) -> str:
     """Cleans reserved characters to encodings for ffmpeg."""
+    if len(path) > 1000:
+        return ValueError("Input too long to check")
+
     try:
         found = re.search(REGEX_RTSP_CAMERA_USER_PASS, path).group(0)[3:-1]
         pw = found[(found.index(":") + 1) :]