Added type annotations to all functions (#845)

* Added type annotations for 1/5 of the files.

There's bound to be some issues with type miss-match, will sort that out later.

* Added type hints for 4/5 of the code

* Added type hints for 4.7/5 of the code

* Added type hints for 5/5 of the code base

* Split the linters into individual files

This should help with more clearly show which runner is breaking since they don't share a single common name any longer. Also moved mypy settings into pyproject.toml

* Fixed some of the last flake8 issues

* Missing parameter

* Fixed invalid lookahead types

* __future__ had to be at the top

* Fixed last flake8 issues

1 files changed, 14 insertions, 4 deletions

diff --git a/archinstall/lib/disk/btrfs.py b/archinstall/lib/disk/btrfs.py
index fb9712f8..084e85d2 100644
--- a/archinstall/lib/disk/btrfs.py
+++ b/archinstall/lib/disk/btrfs.py
@@ -1,7 +1,12 @@
+from __future__ import annotations
 import pathlib
 import glob
 import logging
-from typing import Union
+from typing import Union, Dict, TYPE_CHECKING
+
+# https://stackoverflow.com/a/39757388/929999
+if TYPE_CHECKING:
+	from ..installer import Installer
 from .helpers import get_mount_info
 from ..exceptions import DiskError
 from ..general import SysCommand
@@ -9,7 +14,7 @@ from ..output import log
 from .partition import Partition
 
 
-def mount_subvolume(installation, subvolume_location :Union[pathlib.Path, str], force=False) -> bool:
+def mount_subvolume(installation :Installer, subvolume_location :Union[pathlib.Path, str], force=False) -> bool:
 	"""
 	This function uses mount to mount a subvolume on a given device, at a given location with a given subvolume name.
 
@@ -42,7 +47,7 @@ def mount_subvolume(installation, subvolume_location :Union[pathlib.Path, str],
 
 	return SysCommand(f"mount {mount_information['source']} {target} -o subvol=@{subvolume_location}").exit_code == 0
 
-def create_subvolume(installation, subvolume_location :Union[pathlib.Path, str]) -> bool:
+def create_subvolume(installation :Installer, subvolume_location :Union[pathlib.Path, str]) -> bool:
 	"""
 	This function uses btrfs to create a subvolume.
 
@@ -75,7 +80,12 @@ def create_subvolume(installation, subvolume_location :Union[pathlib.Path, str])
 	if (cmd := SysCommand(f"btrfs subvolume create {target}")).exit_code != 0:
 		raise DiskError(f"Could not create a subvolume at {target}: {cmd}")
 
-def manage_btrfs_subvolumes(installation, partition :dict, mountpoints :dict, subvolumes :dict, unlocked_device :dict = None):
+def manage_btrfs_subvolumes(installation :Installer,
+	partition :Dict[str, str],
+	mountpoints :Dict[str, str],
+	subvolumes :Dict[str, str],
+	unlocked_device :Dict[str, str] = None
+) -> None:
 	""" we do the magic with subvolumes in a centralized place
 	parameters:
 	* the installation object