chore: reformat and translate

Makefile

@@ -3,7 +3,6 @@ TEX         = $(NAME).tex
 FULLNAME = Lettre
 
 DIRECTORIES = $(filter-out "." ".git",$(shell find . -maxdepth 1 -type d -printf "\"%f\" "))
-TEMP_FILES  = aux log tns fdb_latexmk fls synctex.gz pdf out
 TEMPLATE    = Template
 
 TEXMK = latexmk -lualatex
@@ -12,16 +11,9 @@ CP          = cp -r
 
 all: build
 
-clean:
-	@for dir in $(DIRECTORIES); do \
-		cd "$$dir"; \
-		$(RM) $(foreach i,$(TEMP_FILES),$(NAME).$(i)); \
-		cd ..; \
-	done;
-
-clean-full:
-	$(MAKE) clean
-	$(RM) *.pdf
+new:
+	@echo Nom du dossier ?
+	@read line; echo $$line | xargs -i $(CP) '$(TEMPLATE)' {}/
 
 build:
 	@for dir in $(filter-out "$(TEMPLATE)",$(DIRECTORIES)); do \
@@ -31,6 +23,14 @@ build:
 		cd ..; \
 	done;
 
-new:
-	@echo Nom du dossier ?
-	@read line; echo $$line | xargs -i $(CP) '$(TEMPLATE)' {}/
+EXTS = aux log tns fdb_latexmk fls synctex.gz pdf out
+clean:
+	@for dir in $(DIRECTORIES); do \
+		cd "$$dir"; \
+		$(RM) $(foreach e,$(EXTS),$(NAME).$(e)); \
+		cd ..; \
+	done;
+
+clean-full:
+	$(MAKE) clean
+	$(RM) *.pdf

easyLetter.cls

@@ -3,28 +3,35 @@
 
 \LoadClass[a4paper,12pt]{lettre}
 
-\AtEndPreamble{
-    % Encoding
-    \RequirePackage[utf8]{inputenc}
-    \RequirePackage[T1]{fontenc}
-    \RequirePackage{lmodern}
-
-    % Language
+% Langue
 \RequirePackage[french]{babel}
 
-    % Font
+% Police
 \RequirePackage{fontspec}
 \setmainfont[Numbers={Monospaced}]{Fira Sans}
 \setmonofont{Fira Code}
 
-    % Remove the extra line
-    \makeatletter
-    \newcommand*{\NoRule}{\renewcommand*{\rule@length}{0}}
-    \makeatother
-    \NoRule
+% Retire la ligne ajoutée pour la séparation entête/corps de la lettre
+\renewcommand*{\rule@length}{0}
+
+% Titre
+\newcommand*{\titre}[1]{\def\@title{#1}}
+
+% Auteur
+\newcommand*{\auteur}[1]{\def\@author{#1}}
+
+% Sujet
+\def\@subject{\,}
+\newcommand*{\sujet}[1]{\def\@subject{#1}}
+
+% Mot-clés
+\def\@keywords{\,}
+\newcommand*{\motscles}[1]{\def\@keywords{\if#1\empty\else, #1\fi}}
 
 % Clickable links + metadata
-    \RequirePackage[pdfauthor={\@author},
+\AtEndPreamble{
+  \RequirePackage[
+    pdfauthor={\@author},
     pdftitle={\@title},
     pdfsubject={\@subject},
     pdfkeywords={\@author, lettre\@keywords},
@@ -34,30 +41,16 @@
   ]{hyperref}
 }
 
-% Title
-\newcommand*{\titre}[1]{\def\@title{#1}}
-
-% Author
-\newcommand*{\auteur}[1]{\def\@author{#1}}
-
-% Opening
+% Introduction
 \newcommand{\ouverture}[1]{\def\@opening{#1}}
 
-% Closing
+% Conclusion
 \newcommand{\cloture}[1]{\def\@closing{#1}}
 
-% Subject
-\def\@subject{\,}
-\newcommand*{\sujet}[1]{\def\@subject{#1}}
-
-% Keywords
-\def\@keywords{\,}
-\newcommand*{\motscles}[1]{\def\@keywords{\if#1\empty\else, #1\fi}}
-
-% Receiver
+% Destinataire
 \newcommand{\destinataire}[3]{\def\@receivername{#1}\def\@receiverAddress{#2}\def\@receiverCity{#3}}
 
-% Letter content
+% Contenu de la lettre
 \newenvironment{easyLetter}{
   \begin{letter}{
       % Destinataire