Add elevation in stats and dashboard and update translations

fittrackee_client/src/locales/fr/sports.json

@@ -3,6 +3,11 @@
   "Cycling (Transport)": "Vélo (Transport)",
   "Hiking": "Randonnée",
   "Mountain Biking": "VTT",
+  "Mountain Biking (Electric)": "VTT (Electrique)",  
   "Running": "Course",
-  "Walking": "Marche"
+  "Walking": "Marche",
+  "Trail" : "Trail",
+  "Skiing (Alpine)" : "Ski (Alpin)",
+  "Skiing (Cross Country)" : "Ski (Randonnée)",
+  "Rowing" : "Aviron"
 }

fittrackee_client/src/locales/fr/statistics.json

@@ -2,6 +2,8 @@
   "workouts": "séances",
   "distance": "distance",
   "duration": "durée",
+  "ascent": "dénivelé+",
+  "descent": "dénivelé-",
   "month": "mois",
   "Statistics": "Statistiques",
   "year": "année",

fittrackee_client/src/locales/fr/workouts.json

@@ -5,13 +5,13 @@
   "Add a workout": "Ajouter une séance",
   "Are you sure you want to delete this workout?": "Etes-vous sûr de vouloir supprimer cette séance ?",
   "Ave. speed": "Vitesse moyenne",
-  "Ascent": "Dénivelé positif",
+  "Ascent": "Dénivelé +",
   "Average speed": "Vitesse moyenne",
   "Chart": "Analyse",
   "data from gpx, without any cleaning": "données issues du fichier gpx, sans correction",
   "Date": "Date",
   "Delete workout": "Supprimer l'séance",
-  "Descent": "Dénivelé négatif",
+  "Descent": "Dénivelé -",
   "Distance": "Distance",
   "distance": "distance",
   "Duration": "Durée",