Add trove classifier to declare supported python versions.
Add trove classifier to declare supported python versions.

Signed-off-by: Nicolas Delaby <41d76003647ae7d7312a6e44cadcc37b6ea2e7b6@lock8.me>

hoogenm/compose,schmunk42/compose,GM-Alex/compose,alexisbellido/docker.github.io,menglingwei/denverdino.github.io,swoopla/compose,funkyfuture/docker-compose,schmunk42/compose,docker/docker.github.io,joaofnfernandes/docker.github.io,thaJeztah/compose,jonaseck2/compose,BSWANG/denverdino.github.io,bdwill/docker.github.io,ChrisChinchilla/compose,gdevillele/docker.github.io,alexisbellido/docker.github.io,twitherspoon/compose,denverdino/docker.github.io,LuisBosquez/docker.github.io,jzwlqx/denverdino.github.io,londoncalling/docker.github.io,gdevillele/docker.github.io,mdaue/compose,danix800/docker.github.io,jrabbit/compose,phiroict/docker,TomasTomecek/compose,denverdino/docker.github.io,shubheksha/docker.github.io,sanscontext/docker.github.io,aduermael/docker.github.io,londoncalling/docker.github.io,joeuo/docker.github.io,troy0820/docker.github.io,viranch/compose,docker-zh/docker.github.io,phiroict/docker,denverdino/denverdino.github.io,JimGalasyn/docker.github.io,sdurrheimer/compose,JimGalasyn/docker.github.io,GM-Alex/compose,KevinGreene/compose,alexisbellido/docker.github.io,menglingwei/denverdino.github.io,johnstep/docker.github.io,alexisbellido/docker.github.io,LuisBosquez/docker.github.io,sanscontext/docker.github.io,docker-zh/docker.github.io,dnephin/compose,kojiromike/compose,moxiegirl/compose,jeanpralo/compose,danix800/docker.github.io,londoncalling/docker.github.io,twitherspoon/compose,JimGalasyn/docker.github.io,troy0820/docker.github.io,swoopla/compose,shin-/docker.github.io,jzwlqx/denverdino.github.io,shin-/docker.github.io,LuisBosquez/docker.github.io,tiry/compose,johnstep/docker.github.io,menglingwei/denverdino.github.io,thaJeztah/docker.github.io,shin-/docker.github.io,joaofnfernandes/docker.github.io,johnstep/docker.github.io,thaJeztah/compose,mrfuxi/compose,troy0820/docker.github.io,joaofnfernandes/docker.github.io,LuisBosquez/docker.github.io,sanscontext/docker.github.io,denverdino/compose,sanscontext/docker.github.io,denverdino/denverdino.github.io,thaJeztah/docker.github.io,alexisbellido/docker.github.io,docker/docker.github.io,BSWANG/denverdino.github.io,thaJeztah/docker.github.io,denverdino/docker.github.io,denverdino/docker.github.io,aduermael/docker.github.io,denverdino/denverdino.github.io,mnowster/compose,docker-zh/docker.github.io,KalleDK/compose,dnephin/compose,kojiromike/compose,denverdino/docker.github.io,aduermael/docker.github.io,shin-/docker.github.io,shubheksha/docker.github.io,anweiss/docker.github.io,shubheksha/docker.github.io,alexandrev/compose,docker/docker.github.io,docker/docker.github.io,jzwlqx/denverdino.github.io,docker/docker.github.io,JimGalasyn/docker.github.io,bdwill/docker.github.io,anweiss/docker.github.io,anweiss/docker.github.io,gdevillele/docker.github.io,sdurrheimer/compose,jeanpralo/compose,vdemeester/compose,denverdino/compose,phiroict/docker,moxiegirl/compose,shin-/compose,alexandrev/compose,joeuo/docker.github.io,shubheksha/docker.github.io,joeuo/docker.github.io,johnstep/docker.github.io,vdemeester/compose,gdevillele/docker.github.io,bdwill/docker.github.io,jrabbit/compose,bdwill/docker.github.io,michael-k/docker-compose,joaofnfernandes/docker.github.io,gdevillele/docker.github.io,BSWANG/denverdino.github.io,denverdino/denverdino.github.io,andrewgee/compose,aduermael/docker.github.io,tiry/compose,menglingwei/denverdino.github.io,shin-/compose,phiroict/docker,michael-k/docker-compose,joeuo/docker.github.io,anweiss/docker.github.io,mrfuxi/compose,BSWANG/denverdino.github.io,bdwill/docker.github.io,shin-/docker.github.io,jzwlqx/denverdino.github.io,docker-zh/docker.github.io,BSWANG/denverdino.github.io,anweiss/docker.github.io,hoogenm/compose,TomasTomecek/compose,mnowster/compose,londoncalling/docker.github.io,docker-zh/docker.github.io,andrewgee/compose,danix800/docker.github.io,denverdino/denverdino.github.io,troy0820/docker.github.io,rillig/docker.github.io,jzwlqx/denverdino.github.io,LuisBosquez/docker.github.io,shubheksha/docker.github.io,thaJeztah/docker.github.io,dbdd4us/compose,joaofnfernandes/docker.github.io,rillig/docker.github.io,dbdd4us/compose,danix800/docker.github.io,johnstep/docker.github.io,menglingwei/denverdino.github.io,JimGalasyn/docker.github.io,KevinGreene/compose,rillig/docker.github.io,rillig/docker.github.io,viranch/compose,KalleDK/compose,thaJeztah/docker.github.io,joeuo/docker.github.io,funkyfuture/docker-compose,londoncalling/docker.github.io,jonaseck2/compose,sanscontext/docker.github.io,ChrisChinchilla/compose,mdaue/compose,phiroict/docker