Before you do any more work, make sure that your work is protected by putting it all into cvs. The cvs add command is not recursive, so you'll have to traverse the directory tree manually and add as you go. (More on CVS)

[$OPENACS_SERVICE_NAME xml]$ cd ..
[$OPENACS_SERVICE_NAME doc]$ cd ..
[$OPENACS_SERVICE_NAME www]$ cd ..
[$OPENACS_SERVICE_NAME myfirstpackage]$ cd ..
[$OPENACS_SERVICE_NAME packages]$ cvs add myfirstpackage/
Directory /cvsroot/$OPENACS_SERVICE_NAME/packages/myfirstpackage added to the repository
[$OPENACS_SERVICE_NAME packages]$ cd myfirstpackage/
[$OPENACS_SERVICE_NAME myfirstpackage]$ cvs add www
Directory /cvsroot/$OPENACS_SERVICE_NAME/packages/myfirstpackage/www added to the repository
[$OPENACS_SERVICE_NAME myfirstpackage]$ cd www
[$OPENACS_SERVICE_NAME www]$ cvs add doc
Directory /cvsroot/$OPENACS_SERVICE_NAME/packages/myfirstpackage/www/doc added to the repository
[$OPENACS_SERVICE_NAME www]$ cd doc
[$OPENACS_SERVICE_NAME doc]$ cvs add *
cvs add: cannot add special file `CVS'; skipping
cvs add: scheduling file `admin-guide.html' for addition
cvs add: scheduling file `bi01.html' for addition
cvs add: scheduling file `data-model.dia' for addition
cvs add: scheduling file `data-model.png' for addition
cvs add: scheduling file `design-config.html' for addition
cvs add: scheduling file `design-data-model.html' for addition
cvs add: scheduling file `design-future.html' for addition
cvs add: scheduling file `design-ui.html' for addition
cvs add: scheduling file `filename.html' for addition
cvs add: scheduling file `index.html' for addition
cvs add: scheduling file `page-map.dia' for addition
cvs add: scheduling file `page-map.png' for addition
cvs add: scheduling file `requirements-cases.html' for addition
cvs add: scheduling file `requirements-introduction.html' for addition
cvs add: scheduling file `requirements-overview.html' for addition
cvs add: scheduling file `requirements.html' for addition
cvs add: scheduling file `sample-data.html' for addition
cvs add: scheduling file `sample.png' for addition
cvs add: scheduling file `user-guide.html' for addition
cvs add: scheduling file `user-interface.dia' for addition
cvs add: scheduling file `user-interface.png' for addition
Directory /cvsroot/$OPENACS_SERVICE_NAME/packages/myfirstpackage/www/doc/xml added to the repository
cvs add: use 'cvs commit' to add these files permanently
[$OPENACS_SERVICE_NAME doc]$ cd xml
[$OPENACS_SERVICE_NAME xml]$ cvs add Makefile index.xml
cvs add: scheduling file `Makefile' for addition
cvs add: scheduling file `index.xml' for addition
cvs add: use 'cvs commit' to add these files permanently
[$OPENACS_SERVICE_NAME xml]$ cd ../../..
[$OPENACS_SERVICE_NAME myfirstpackage]$ cvs commit -m "new package"
cvs commit: Examining .
cvs commit: Examining www
cvs commit: Examining www/doc
cvs commit: Examining www/doc/xml
RCS file: /cvsroot/$OPENACS_SERVICE_NAME/packages/myfirstpackage/www/doc/admin-guide.html,v
done
Checking in www/doc/admin-guide.html;
/cvsroot/$OPENACS_SERVICE_NAME/packages/myfirstpackage/www/doc/admin-guide.html,v  <--  admin-guide.html
initial revision: 1.1
done
(many lines omitted)
[$OPENACS_SERVICE_NAME myfirstpackage]$