feat(emacs): add yapf & isort as dependencies

.config/guix/manifests/emacs.scm

@@ -2,4 +2,6 @@
  '("emacs-native-comp"
    "the-silver-searcher"
    "ripgrep"
-   "emacs-vterm"))
+   "emacs-vterm"
+   "python-isort"
+   "python-yapf"))

Emacs.org

@@ -3448,6 +3448,10 @@ Automatically creates & manages virtualenvs and stores data in =Pipfile= and =Pi
 *** yapf
 [[https://github.com/google/yapf][yapf]] is a formatter for Python files.
 
+| Guix dependency |
+|-----------------|
+| python-yapf     |
+
 References:
 - [[https://github.com/google/yapf][yapf repo]]
 - [[https://github.com/JorisE/yapfify][yapfify.el repo]]
@@ -3469,6 +3473,10 @@ column_limit = 80
 *** isort
 [[https://github.com/PyCQA/isort][isort]] is a Python package to sort Python imports.
 
+| Guix dependency |
+|-----------------|
+| python-isort    |
+
 References:
 - [[https://pycqa.github.io/isort/][isort docs]]
 - [[https://github.com/paetzke/py-isort.el][py-isort.el repo]]