Add rudimentary codespell config

pyproject.toml

@@ -151,3 +151,10 @@ exclude = [
     "chroma.sqlite3",
 ]
 force-include = { "CHANGELOG.md" = "open_webui/CHANGELOG.md", build = "open_webui/frontend" }
+
+[tool.codespell]
+# Ref: https://github.com/codespell-project/codespell#using-a-config-file
+skip = '.git*,*.svg,package-lock.json,i18n,*.lock,*.css,*-bundle.js,locales,example-doc.txt,emoji-shortcodes.json'
+check-hidden = true
+# ignore-regex = ''
+ignore-words-list = 'ans'