fix: search placeholder string

Author: gfauredev

assets/en.ftl

@@ -11,7 +11,7 @@ start-new-workout = Start New Workout
 
 ## Exercises page
 browse-exercises = Browse { $count } exercises
-search-placeholder = Search exercises, muscles, or categories...
+search-placeholder = Search exercises names or attributes
 add-exercise = Add Custom Exercise
 filter-add = Activate filter
 filter-remove = Remove filter

assets/fr.ftl

@@ -11,7 +11,7 @@ start-new-workout = Nouvelle séance
 
 ## Page des exercices
 browse-exercises = { $count } exercices disponibles
-search-placeholder = Chercher exercices, muscles ou catégories…
+search-placeholder = Rechercher des exercices par noms ou attributs
 add-exercise = Ajouter un exercice personnalisé
 filter-add = Activer le filtre
 filter-remove = Supprimer le filtre