docs: Expand the french translation style guide.

As the french word organisation is used, the related line is excluded
from the linter spell check.

docs/french.md

@@ -3,7 +3,8 @@
 ## Rules
 
 * Use of *vous* instead of *tu*,
-* A space before and after a colon and a semi-colon,
+* A space before and after a colon and a semi-colon and a space after a dot and a comma,
+* Follow english capitalization,
 * Prefer the infinitive form of a verb: *Save* into *Sauver* (instead of *Sauvez*).
 
 Some translations can be tricky, so please don't hesitate to ask the community or contribute to this guide.
@@ -18,3 +19,10 @@ Some translations can be tricky, so please don't hesitate to ask the community o
 * bot - **robot**
 * alert word - **mot alerte**
 * emoji - **emoji**
+* subscription - **abonnement**
+* mute - **rendre muet**/**muet**
+* home - **accueil**
+* narrow - **restreindre**
+* pin - **épingler**
+* star - **favori**/**mettre en favori**
+* organization - **organisation**

tools/linter_lib/custom_check.py

@@ -355,7 +355,8 @@ def build_custom_checkers(by_lang):
         {'pattern': '[^\/\-\.\"\'\_\=\>]([gG]ithub)[^\.\-\_\"\<]',  # exclude usage in hrefs/divs
          'description': "github should be spelled GitHub"},
         {'pattern': '[oO]rganisation',  # exclude usage in hrefs/divs
-         'description': "Organization is spelled with a z"},
+         'description': "Organization is spelled with a z",
+         'exclude_line': [('docs/french.md', '* organization - **organisation**')]},
         {'pattern': '!!! warning',
          'description': "!!! warning is invalid; it's spelled '!!! warn'"},
         {'pattern': 'Terms of service',