feat: add en & fr translation

Author: graphieros

i18n/locales/en.json

@@ -301,7 +301,8 @@
       "loading": "Loading...",
       "y_axis_label": "{granularity} downloads",
       "download_file": "Download {fileType}",
-      "toggle_annotator": "Toggle annotator"
+      "toggle_annotator": "Toggle annotator",
+      "legend_estimation": "Estimation"
     },
     "install_scripts": {
       "title": "Install Scripts",

i18n/locales/fr-FR.json

@@ -274,7 +274,8 @@
       "loading": "Chargement...",
       "y_axis_label": "Téléchargements {granularity}",
       "download_file": "Télécharger {fileType}",
-      "toggle_annotator": "Afficher/Masquer l'annotateur"
+      "toggle_annotator": "Afficher/Masquer l'annotateur",
+      "legend_estimation": "Estimation"
     },
     "install_scripts": {
       "title": "Scripts d'installation",

lunaria/files/en-GB.json

@@ -301,7 +301,8 @@
       "loading": "Loading...",
       "y_axis_label": "{granularity} downloads",
       "download_file": "Download {fileType}",
-      "toggle_annotator": "Toggle annotator"
+      "toggle_annotator": "Toggle annotator",
+      "legend_estimation": "Estimation"
     },
     "install_scripts": {
       "title": "Install Scripts",

lunaria/files/en-US.json

@@ -301,7 +301,8 @@
       "loading": "Loading...",
       "y_axis_label": "{granularity} downloads",
       "download_file": "Download {fileType}",
-      "toggle_annotator": "Toggle annotator"
+      "toggle_annotator": "Toggle annotator",
+      "legend_estimation": "Estimation"
     },
     "install_scripts": {
       "title": "Install Scripts",

lunaria/files/fr-FR.json

@@ -274,7 +274,8 @@
       "loading": "Chargement...",
       "y_axis_label": "Téléchargements {granularity}",
       "download_file": "Télécharger {fileType}",
-      "toggle_annotator": "Afficher/Masquer l'annotateur"
+      "toggle_annotator": "Afficher/Masquer l'annotateur",
+      "legend_estimation": "Estimation"
     },
     "install_scripts": {
       "title": "Scripts d'installation",