CAMEL-11930: create initial Jenkinsfile
CAMEL-11930: create initial Jenkinsfile

This adds initial `Jenkinsfile` using declarative pipeline syntax.

rmarting/camel,objectiser/camel,davidkarlsen/camel,cunningt/camel,pax95/camel,rmarting/camel,zregvart/camel,apache/camel,gautric/camel,gautric/camel,jonmcewen/camel,apache/camel,apache/camel,alvinkwekel/camel,nikhilvibhav/camel,cunningt/camel,tadayosi/camel,akhettar/camel,pax95/camel,DariusX/camel,nikhilvibhav/camel,mcollovati/camel,cunningt/camel,christophd/camel,dmvolod/camel,tadayosi/camel,anoordover/camel,adessaigne/camel,davidkarlsen/camel,ullgren/camel,sverkera/camel,dmvolod/camel,jamesnetherton/camel,punkhorn/camel-upstream,sverkera/camel,punkhorn/camel-upstream,tdiesler/camel,tdiesler/camel,gautric/camel,akhettar/camel,Fabryprog/camel,snurmine/camel,pmoerenhout/camel,curso007/camel,curso007/camel,CodeSmell/camel,tadayosi/camel,CodeSmell/camel,cunningt/camel,christophd/camel,onders86/camel,ullgren/camel,akhettar/camel,apache/camel,rmarting/camel,CodeSmell/camel,onders86/camel,rmarting/camel,tadayosi/camel,alvinkwekel/camel,adessaigne/camel,tdiesler/camel,Fabryprog/camel,cunningt/camel,pax95/camel,alvinkwekel/camel,akhettar/camel,sverkera/camel,curso007/camel,akhettar/camel,tdiesler/camel,DariusX/camel,ullgren/camel,gnodet/camel,kevinearls/camel,mcollovati/camel,onders86/camel,akhettar/camel,dmvolod/camel,ullgren/camel,jonmcewen/camel,jamesnetherton/camel,christophd/camel,nicolaferraro/camel,pax95/camel,jonmcewen/camel,snurmine/camel,christophd/camel,pax95/camel,pmoerenhout/camel,pmoerenhout/camel,jamesnetherton/camel,davidkarlsen/camel,gnodet/camel,snurmine/camel,apache/camel,davidkarlsen/camel,tdiesler/camel,dmvolod/camel,dmvolod/camel,zregvart/camel,CodeSmell/camel,rmarting/camel,snurmine/camel,tadayosi/camel,nikhilvibhav/camel,nicolaferraro/camel,jonmcewen/camel,jamesnetherton/camel,jamesnetherton/camel,tdiesler/camel,gnodet/camel,onders86/camel,onders86/camel,kevinearls/camel,alvinkwekel/camel,christophd/camel,curso007/camel,zregvart/camel,nicolaferraro/camel,kevinearls/camel,gnodet/camel,jamesnetherton/camel,adessaigne/camel,objectiser/camel,pmoerenhout/camel,jonmcewen/camel,adessaigne/camel,anoordover/camel,pax95/camel,nicolaferraro/camel,kevinearls/camel,gautric/camel,objectiser/camel,curso007/camel,gautric/camel,pmoerenhout/camel,mcollovati/camel,anoordover/camel,curso007/camel,DariusX/camel,objectiser/camel,anoordover/camel,kevinearls/camel,jonmcewen/camel,mcollovati/camel,snurmine/camel,Fabryprog/camel,DariusX/camel,rmarting/camel,zregvart/camel,onders86/camel,sverkera/camel,adessaigne/camel,sverkera/camel,anoordover/camel,punkhorn/camel-upstream,tadayosi/camel,cunningt/camel,christophd/camel,dmvolod/camel,apache/camel,kevinearls/camel,gnodet/camel,adessaigne/camel,Fabryprog/camel,snurmine/camel,punkhorn/camel-upstream,anoordover/camel,sverkera/camel,pmoerenhout/camel,gautric/camel,nikhilvibhav/camel