add toc and license sections to readme.org

README.org

@@ -6,6 +6,12 @@
 
 Helm interface for the recoll desktop search tool.
 
+* Table of contents
+
+ - [[#commentary][Commentary]]
+ - [[#installation][Installation]]
+ - [[#license][License]]
+
 * Commentary
 
 You need to create some =helm-recoll= sources before you can use them.
@@ -38,3 +44,18 @@ Add a require statement for the library:
 
 to your init file (typically ~/.emacs) and add your source definitions
 like shown above.
+
+* License
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.