fix image not rendering

```
ERROR:app:Exception on /api/preview [POST]
Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 1473, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 882, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 880, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 865, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/app/__init__.py", line 309, in get_preview_from_image
    im = create_label_im(**context)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/app/__init__.py", line 204, in create_label_im
    return assemble_label_im(text, None, True, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/app/__init__.py", line 216, in assemble_label_im
    im_font = ImageFont.truetype(kwargs['font_path'], kwargs['font_size'])
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 996, in truetype
    return freetype(font)
           ^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 993, in freetype
    return FreeTypeFont(font, size, index, encoding, layout_engine)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 220, in __init__
    if core.HAVE_RAQM:
       ^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/_util.py", line 19, in __getattr__
    raise self.ex
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 58, in <module>
    from . import _imagingft as core
ImportError: cannot import name '_imagingft' from 'PIL' (/usr/local/lib/python3.12/site-packages/PIL/__init__.py). Did you mean: '_imaging'?
```

fix image not rendering

```
ERROR:app:Exception on /api/preview [POST]
Traceback (most recent call last):
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 1473, in wsgi_app
    response = self.full_dispatch_request()
               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 882, in full_dispatch_request
    rv = self.handle_user_exception(e)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 880, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/flask/app.py", line 865, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)  # type: ignore[no-any-return]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/app/__init__.py", line 309, in get_preview_from_image
    im = create_label_im(**context)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/app/__init__.py", line 204, in create_label_im
    return assemble_label_im(text, None, True, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/app/app/__init__.py", line 216, in assemble_label_im
    im_font = ImageFont.truetype(kwargs['font_path'], kwargs['font_size'])
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 996, in truetype
    return freetype(font)
           ^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 993, in freetype
    return FreeTypeFont(font, size, index, encoding, layout_engine)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 220, in __init__
    if core.HAVE_RAQM:
       ^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.12/site-packages/PIL/_util.py", line 19, in __getattr__
    raise self.ex
  File "/usr/local/lib/python3.12/site-packages/PIL/ImageFont.py", line 58, in <module>
    from . import _imagingft as core
ImportError: cannot import name '_imagingft' from 'PIL' (/usr/local/lib/python3.12/site-packages/PIL/__init__.py). Did you mean: '_imaging'?
```

fix: not building for new alpine version

TODO:
- cleanup dev pacakges after build OR
- use multi-stage build

fix: not building for new alpine version

TODO:
- cleanup dev pacakges after build OR
- use multi-stage build

format note in README

update GitHub Workflows

format note in README

add `.dockerignore`

update GitHub Action

fix Pillow version to 9.x

in Pillow ≥10 some methods were removed