Config file change and cms_themes_contents table migration

config/cms.php

@@ -381,4 +381,30 @@ return [
 
     'restrictBaseDir' => true,
 
+    /*
+    |--------------------------------------------------------------------------
+    | CMS Database Layer
+    |--------------------------------------------------------------------------
+    |
+    | Enables the database layer for the CMS content files. 
+    |
+    | Allowed values:
+    |  - false: Database layer is disabled, the FileDatasource is used
+    |  - true: Database layer is enabled, the AutoDatasource is used 
+    |  - null: Setting equal to the inverse of app.debug: debug enabled, this disabled
+    |
+    | The database layer stores all modified CMS files in the database. 
+    | Files that are not modified continue to be loaded from the filesystem.
+    | The `theme:sync $themeDir` console command is available to populate the 
+    | database from the filesystem with the `--toFile` flag to sync in the
+    | other direction (database to filesystem) and the `--path="/path/to/file.md"
+    | flag to sync only a specific file.
+    |
+    | Files available in the database are cached to indicate that they should
+    | be loaded from the database. 
+    |
+    */
+
+    'enableDatabaseLayer' => false,
+
 ];

modules/cms/database/migrations/2018_11_01_000001_Db_Cms_Theme_Contents.php

@@ -0,0 +1,25 @@
+<?php
+
+use October\Rain\Database\Schema\Blueprint;
+use October\Rain\Database\Updates\Migration;
+
+class DbCmsThemeContents extends Migration
+{
+    public function up()
+    {
+        Schema::create('cms_theme_contents', function (Blueprint $table) {
+            $table->engine = 'InnoDB';
+            $table->increments('id');
+            $table->string('source')->index();
+            $table->string('path')->index();
+            $table->longText('content');
+            $table->integer('file_size')->unsigned();
+            $table->dateTime('updated_at')->nullable();
+        });
+    }
+
+    public function down()
+    {
+        Schema::dropIfExists('cms_theme_contents');
+    }
+}