docs: enable SymSpell for documentation spell checking (#550)

Author: nfelt14

docs/requirements.txt

@@ -7,6 +7,7 @@ charset-normalizer==3.4.4 ; python_version >= "3.10" and python_version < "3.15"
 click==8.3.1 ; python_version >= "3.10" and python_version < "3.15"
 codespell==2.4.1 ; python_version >= "3.10" and python_version < "3.15"
 colorama==0.4.6 ; python_version >= "3.10" and python_version < "3.15"
+editdistpy==0.2.0 ; python_version >= "3.10" and python_version < "3.15"
 editorconfig==0.17.1 ; python_version >= "3.10" and python_version < "3.15"
 ghp-import==2.1.0 ; python_version >= "3.10" and python_version < "3.15"
 griffe==1.15.0 ; python_version >= "3.10" and python_version < "3.15"
@@ -50,6 +51,7 @@ setuptools==80.10.2 ; python_version >= "3.10" and python_version < "3.15"
 six==1.17.0 ; python_version >= "3.10" and python_version < "3.15"
 soupsieve==2.8.3 ; python_version >= "3.10" and python_version < "3.15"
 super-collections==0.6.2 ; python_version >= "3.10" and python_version < "3.15"
+symspellpy==6.9.0 ; python_version >= "3.10" and python_version < "3.15"
 termcolor==3.3.0 ; python_version >= "3.10" and python_version < "3.15"
 tomli==2.4.0 ; python_version >= "3.10" and python_version < "3.15"
 typeguard==4.4.4 ; python_version >= "3.10" and python_version < "3.15"

mkdocs.yml

@@ -149,7 +149,7 @@ plugins:
       known_words: known_words.txt
       skip_files: [CHANGELOG.md, reference/*]
       backends:
-#        - symspellpy  # TODO: add this back once https://github.com/mammothb/editdistpy/issues/21 is resolved, then rerun `tox run -e export-reqs` to update docs/requirements.txt
+        - symspellpy
         - codespell:
             dictionaries:
               - clear

pyproject.toml

@@ -146,7 +146,7 @@ pydantic = "^2.12.5"
 pygments = "^2.17.2"
 pymdown-extensions = "^10.8.1"
 requests = "^2.31.0"
-# symspellpy = "^6.7.7"  # TODO: add this back once https://github.com/mammothb/editdistpy/issues/21 is resolved, then rerun `tox run -e export-reqs` to update docs/requirements.txt
+symspellpy = "^6.7.7"
 tomli = "^2.0.1"
 
 [tool.poetry.group.tests.dependencies]