Fix install paths for YunoHost scripts cwd

scripts/install

@@ -20,9 +20,9 @@ if ! id "$app" >/dev/null 2>&1; then
 fi
 
 mkdir -p "$install_dir" "$data_dir/data" "$data_dir/media/originals" "$data_dir/media/thumbs" "$data_dir/media/previews" "$data_dir/media/pending" "$data_dir/logs" "$config_dir"
-cp -a backend web doc "$install_dir"/
+cp -a "$YNH_APP_BASEDIR/backend" "$YNH_APP_BASEDIR/web" "$YNH_APP_BASEDIR/doc" "$install_dir"/
 
-cp conf/config.json "$config_dir/config.json"
+cp "$YNH_APP_BASEDIR/conf/config.json" "$config_dir/config.json"
 sed -i \
     -e "s#__PORT__#$port#g" \
     -e "s#__PATH__#$path#g" \
@@ -32,7 +32,7 @@ sed -i \
     -e "s#__ADMIN_PASSWORD__#$admin_password#g" \
     "$config_dir/config.json"
 
-cp conf/albumik.service "$service_file"
+cp "$YNH_APP_BASEDIR/conf/albumik.service" "$service_file"
 sed -i \
     -e "s#__APP__#$app#g" \
     -e "s#__DATA_DIR__#$data_dir#g" \
@@ -40,7 +40,7 @@ sed -i \
     "$service_file"
 
 mkdir -p "/etc/nginx/conf.d/$domain.d"
-cp conf/nginx.conf "/etc/nginx/conf.d/$domain.d/$app.conf"
+cp "$YNH_APP_BASEDIR/conf/nginx.conf" "/etc/nginx/conf.d/$domain.d/$app.conf"
 sed -i \
     -e "s#__PORT__#$port#g" \
     -e "s#__PATH__#$path#g" \