Update DESIGN, forgot to add new perms for the new tables.

experimental/webtry/DESIGN.md

 Design
 ======
 
 
 Overview
 --------
 Allows trying out Skia code in the browser.
 
 
 Security
@@ skipping 116 matching lines @@
 
 To connect to the database from the skia-webtry-b server:
 
     $ mysql --host=173.194.83.52 --user=root --password
 
 Initial setup of the database, the user, and the only table:
 
     CREATE DATABASE webtry;
     USE webtry;
     CREATE USER 'webtry'@'%' IDENTIFIED BY '<password is in valentine>';
-    GRANT SELECT, INSERT, UPDATE ON webtry.webtry TO 'webtry'@'%';
+    GRANT SELECT, INSERT, UPDATE ON webtry.webtry       TO 'webtry'@'%';
+    GRANT SELECT, INSERT, UPDATE ON webtry.workspace    TO 'webtry'@'%';
+    GRANT SELECT, INSERT, UPDATE ON webtry.workspacetry TO 'webtry'@'%';
 
     // If this gets changed also update the sqlite create statement in webtry.go.
 
     CREATE TABLE webtry (
       code      TEXT      DEFAULT ''                 NOT NULL,
       create_ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP  NOT NULL,
       hash      CHAR(64)  DEFAULT ''                 NOT NULL,
       PRIMARY KEY(hash)
     );
 
@@ skipping 59 matching lines @@
 Workspaces are implemented by the workspace and workspacetry tables. The
 workspace table keeps the unique list of all workspaces. The workspacetry table
 keeps track of all the tries that have occured in a workspace. Right now the
 hidden column of workspacetry is not used, it's for future functionality.
 
 Installation
 ------------
 See the README file.