src/tox.ini: Add environment codespell

[slel]

We add a tox environment codespell.

• https://fossies.org/features.html#codespell

• https://pypi.org/project/codespell/

To try: ./sage -tox -e codespell

Depends on #30467

CC: @fchapoton @slel @tobiasdiez

Component: documentation

Keywords: spelling, spellcheck

Author: Matthias Koeppe

Branch/Commit: e5a916f

Reviewer: Tobias Diez

Issue created by migration from https://trac.sagemath.org/ticket/30503

[mkoeppe]

Description changed:

--- 
+++ 
@@ -2,3 +2,6 @@
 
 - https://fossies.org/features.html#codespell
 
+- https://pypi.org/project/codespell/
+
+

[mkoeppe]

Dependencies: #30467

[mkoeppe]

Branch: u/mkoeppe/apply_fossies_codespell

[mkoeppe]

New commits:

df7ef3f	Merge branch 't/30410/command__sage__tox_' into t/30467/src_tox_ini__check_patchbot_plugin_patterns
7e9d12d	src/tox.ini: New environment relint
4a3a33a	Add comment
b0ad03e	src/bin/sage: Show tox environment list in 'sage -advanced'
7cf9efe	src/.relint.yml: Add pattern from #30472
62e342c	Merge branch 't/30467/src_tox_ini__check_patchbot_plugin_patterns' into t/30503/apply_fossies_codespell
6309910	src/tox.ini: Add codespell

[mkoeppe]

Commit: 6309910

[mkoeppe]

Description changed:

--- 
+++ 
@@ -1,7 +1,11 @@
-Fossies codespell
+We add a tox environment `codespell`.
 
 - https://fossies.org/features.html#codespell
 
 - https://pypi.org/project/codespell/
 
 
+To try: `./sage -tox -e codespell`
+
+
+

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

ca64a52

src/tox.ini (codespell): Skip non-English doc, binary files, backup files

[sagetrac-git]

Changed commit from 6309910 to ca64a52

[sagetrac-git]

Branch pushed to git repo; I updated commit sha1. New commits:

d8e101c

src/.codespell-dictionary.txt: New, consider these words correct

[sagetrac-git]

Changed commit from ca64a52 to d8e101c