CMS: new `cms-tools-dimuon-filter.xml`

* Adds new file `cms-tools-dimuon-filter.xml`.  (closes #412) (PR #459)
docs: new file `cms-tools-dimuon-filter.xml`

* Updates installation instructions after addition of new file
  `cms-tools-dimuon-filter.xml`.  (see PR #459)

Signed-off-by: Tibor Simko <tibor.simko@cern.ch>