improve developer tooling (backend) (#1051)

* add basic pre-commit file

* add flake8

* add isort

* add pep585-upgrade (typing upgrades)

* use namespace for import

* add mypy

* update ci for backend

* flake8 scope

* fix version format

* update makefile

* disable strict option (temporary)

* fix mypy issues

* upgrade type hints (pre-commit)

* add vscode typing check

* add types to dev deps

* remote container draft

* update setup script

* update compose version

* run setup on create

* dev containers update

* remove unused pages

* update setup tips

* expose ports

* Update pre-commit to include flask8-print (#1053)

* Add in flake8-print to pre-commit

* pin version of flake8-print

* formatting

* update getting strated docs

* add mypy to pre-commit

* purge .mypy_cache on clean

* drop mypy

Co-authored-by: zackbcom <zackbcom@users.noreply.github.com>

mealie/pkgs/img/minify.py

@@ -19,11 +19,11 @@ def get_format(image: Path) -> str:
 def sizeof_fmt(file_path: Path, decimal_places=2):
     if not file_path.exists():
         return "(File Not Found)"
-    size = file_path.stat().st_size
+    size: int | float = file_path.stat().st_size
     for unit in ["B", "kB", "MB", "GB", "TB", "PB"]:
-        if size < 1024.0 or unit == "PiB":
+        if size < 1024 or unit == "PiB":
             break
-        size /= 1024.0
+        size /= 1024
     return f"{size:.{decimal_places}f} {unit}"