added backup to docs

docs/usage/backup.rst

@@ -0,0 +1,25 b''
+.. _backup:
+
+Backing up RhodeCode
+====================
+
+
+Settings
+--------
+
+Just copy your .ini file, it contains all RhodeCode settings.
+
+Whoosh index
+------------
+
+Whoosh index is located in **/data/index** directory where you installed
+RhodeCode ie. the same place where the ini file is located
+
+
+Database
+--------
+
+When using sqlite just copy rhodecode.db.
+Any other database engine requires a manual backup operation.
+
+Database backup will contain all gathered statistics
  No newline at end of file

docs/index.rst

@@ -22,6 +22,7 b' Documentation'
    usage/general
    usage/enable_git
    usage/statistics
+   usage/backup
    
 **Develop**