feat: user profile customization: username, password, and avatar (#315)

frontend/messages/en.json

@@ -77,6 +77,7 @@
     "projects": "Projects",
     "admin": "Administration",
     "account": "Account",
+    "profile_settings": "Profile Settings",
     "signup": "Sign up",
     "signin": "Sign in",
     "signout": "Sign out",
@@ -112,7 +113,27 @@
     "public": "Public",
     "private": "Private",
     "not_own_any_projects": "You don't own any projects.",
-    "find_projects": "Find projects"
+    "find_projects": "Find projects",
+    "profile_settings": "Profile Settings",
+    "change_username": "Change Username",
+    "new_username": "New Username",
+    "update_username": "Update Username",
+    "username_updated": "Username updated successfully",
+    "change_password": "Change Password",
+    "current_password": "Current Password",
+    "new_password": "New Password",
+    "confirm_new_password": "Confirm New Password",
+    "update_password": "Update Password",
+    "password_updated": "Password updated successfully",
+    "change_avatar": "Change Avatar",
+    "upload_avatar": "Upload Avatar",
+    "remove_avatar": "Remove Avatar",
+    "avatar_updated": "Avatar updated successfully",
+    "avatar_removed": "Avatar removed successfully",
+    "max_file_size_5mb": "Max. file size: 5MB",
+    "only_images_allowed": "Only image files are allowed",
+    "current_password_incorrect": "Current password is incorrect",
+    "update_error": "Update failed"
   },
   "Health": {
     "health_check": "Health Check",

frontend/messages/ja.json

@@ -78,6 +78,7 @@
     "projects": "プロジェクト",
     "admin": "管理",
     "account": "アカウント",
+    "profile_settings": "プロフィール設定",
     "signup": "新規登録",
     "signin": "サインイン",
     "signout": "サインアウト",
@@ -113,7 +114,27 @@
     "public": "パブリック",
     "private": "プライベート",
     "not_own_any_projects": "所有しているプロジェクトがありません。",
-    "find_projects": "プロジェクトを探す"
+    "find_projects": "プロジェクトを探す",
+    "profile_settings": "プロフィール設定",
+    "change_username": "ユーザー名の変更",
+    "new_username": "新しいユーザー名",
+    "update_username": "ユーザー名を更新",
+    "username_updated": "ユーザー名が正常に更新されました",
+    "change_password": "パスワードの変更",
+    "current_password": "現在のパスワード",
+    "new_password": "新しいパスワード",
+    "confirm_new_password": "新しいパスワード（確認）",
+    "update_password": "パスワードを更新",
+    "password_updated": "パスワードが正常に更新されました",
+    "change_avatar": "アバターの変更",
+    "upload_avatar": "アバターをアップロード",
+    "remove_avatar": "アバターを削除",
+    "avatar_updated": "アバターが正常に更新されました",
+    "avatar_removed": "アバターが正常に削除されました",
+    "max_file_size_5mb": "最大ファイルサイズ：5MB",
+    "only_images_allowed": "画像ファイルのみ許可されています",
+    "current_password_incorrect": "現在のパスワードが正しくありません",
+    "update_error": "更新に失敗しました"
   },
   "Admin": {
     "user_management": "ユーザー管理",

frontend/messages/pt-BR.json

@@ -77,6 +77,7 @@
     "projects": "Projetos",
     "admin": "Administração",
     "account": "Conta",
+    "profile_settings": "Configurações do Perfil",
     "signup": "Cadastre-se",
     "signin": "Entrar",
     "signout": "Sair",
@@ -112,7 +113,27 @@
     "public": "Público",
     "private": "Privado",
     "not_own_any_projects": "Você não possui nenhum projeto.",
-    "find_projects": "Encontrar projetos"
+    "find_projects": "Encontrar projetos",
+    "profile_settings": "Configurações do Perfil",
+    "change_username": "Alterar Nome de Usuário",
+    "new_username": "Novo Nome de Usuário",
+    "update_username": "Atualizar Nome de Usuário",
+    "username_updated": "Nome de usuário atualizado com sucesso",
+    "change_password": "Alterar Senha",
+    "current_password": "Senha Atual",
+    "new_password": "Nova Senha",
+    "confirm_new_password": "Confirmar Nova Senha",
+    "update_password": "Atualizar Senha",
+    "password_updated": "Senha atualizada com sucesso",
+    "change_avatar": "Alterar Avatar",
+    "upload_avatar": "Enviar Avatar",
+    "remove_avatar": "Remover Avatar",
+    "avatar_updated": "Avatar atualizado com sucesso",
+    "avatar_removed": "Avatar removido com sucesso",
+    "max_file_size_5mb": "Tamanho máximo do arquivo: 5MB",
+    "only_images_allowed": "Apenas arquivos de imagem são permitidos",
+    "current_password_incorrect": "A senha atual está incorreta",
+    "update_error": "Falha na atualização"
   },
   "Health": {
     "health_check": "Verificação de Saúde",