Небольшие доработки remoteSent, оптимизация отправки файлов

server/db/jembaMigrations/app/001-create.js

@@ -0,0 +1,12 @@
+module.exports = {
+    up: [
+        ['create', {
+            table: 'remote_sent'
+        }],
+    ],    
+    down: [
+        ['drop', {
+            table: 'remote_sent'
+        }],
+    ]
+};

server/db/jembaMigrations/app/index.js

@@ -0,0 +1,6 @@
+module.exports = {
+    table: 'migration1',
+    data: [
+        {id: 1, name: 'create', data: require('./001-create')}
+    ]
+}

server/db/jembaMigrations/index.js

@@ -1,4 +1,5 @@
 module.exports = {
+    'app': require('./app'),
     'reader-storage': require('./reader-storage'),
     'book-update-server': require('./book-update-server'),
 };