Added a newsletter announcement for the release of this tutorial
Added a newsletter announcement for the release of this tutorial

(refs #15232)

idaholab/moose,harterj/moose,milljm/moose,sapitts/moose,idaholab/moose,milljm/moose,bwspenc/moose,jessecarterMOOSE/moose,dschwen/moose,andrsd/moose,idaholab/moose,sapitts/moose,SudiptaBiswas/moose,harterj/moose,laagesen/moose,lindsayad/moose,sapitts/moose,milljm/moose,nuclear-wizard/moose,lindsayad/moose,sapitts/moose,bwspenc/moose,jessecarterMOOSE/moose,sapitts/moose,andrsd/moose,milljm/moose,SudiptaBiswas/moose,harterj/moose,nuclear-wizard/moose,laagesen/moose,dschwen/moose,lindsayad/moose,andrsd/moose,harterj/moose,jessecarterMOOSE/moose,jessecarterMOOSE/moose,andrsd/moose,harterj/moose,milljm/moose,bwspenc/moose,idaholab/moose,laagesen/moose,nuclear-wizard/moose,andrsd/moose,SudiptaBiswas/moose,SudiptaBiswas/moose,nuclear-wizard/moose,lindsayad/moose,laagesen/moose,laagesen/moose,idaholab/moose,dschwen/moose,jessecarterMOOSE/moose,lindsayad/moose,dschwen/moose,SudiptaBiswas/moose,bwspenc/moose,bwspenc/moose,dschwen/moose