Renamed PW1127_JM_mod to PW1127_JM

• add PW1127G-JM engine
• add LICENCE
• adapt README

CODEOWNERS

+# Repository-specific code ownership
+*                           @unicado-consortium/tum   @unicado-consortium/rwth
+
+# File-specific code ownership
+.gitattributes               @Florian.Schueltke
+.gitignore                   @Florian.Schueltke
+CODEOWNERS                   @Florian.Schueltke
+LICENSE                      @Florian.Schueltke
+README.md                    @Florian.Schueltke