Add zsh completion for 'docker daemon --storage-driver (overlay2|vfs)'
Add zsh completion for 'docker daemon --storage-driver (overlay2|vfs)'

Signed-off-by: Steve Durrheimer <a2c1a055e5b399822be341b4e663de3cd05cf8f7@gmail.com>
(cherry picked from commit 8e582a257326496cc27d30751b759a37f993d116)

aduermael/docker.github.io,docker-zh/docker.github.io,gdevillele/docker.github.io,menglingwei/denverdino.github.io,joeuo/docker.github.io,menglingwei/denverdino.github.io,medallia/docker,johnstep/docker.github.io,alexisbellido/docker.github.io,shin-/docker.github.io,danix800/docker.github.io,bdwill/docker.github.io,BSWANG/denverdino.github.io,denverdino/docker.github.io,rillig/docker.github.io,rillig/docker.github.io,denverdino/denverdino.github.io,danix800/docker.github.io,JimGalasyn/docker.github.io,anweiss/docker.github.io,docker/docker.github.io,anweiss/docker.github.io,rillig/docker.github.io,bdwill/docker.github.io,LuisBosquez/docker.github.io,joeuo/docker.github.io,gdevillele/docker.github.io,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,alexisbellido/docker.github.io,LuisBosquez/docker.github.io,denverdino/docker.github.io,sanscontext/docker.github.io,BSWANG/denverdino.github.io,rillig/docker.github.io,docker/docker.github.io,shubheksha/docker.github.io,johnstep/docker.github.io,stainboy/docker,JimGalasyn/docker.github.io,BSWANG/denverdino.github.io,joaofnfernandes/docker.github.io,docker-zh/docker.github.io,thaJeztah/docker.github.io,joaofnfernandes/docker.github.io,JimGalasyn/docker.github.io,gdevillele/docker.github.io,sanscontext/docker.github.io,shubheksha/docker.github.io,troy0820/docker.github.io,shubheksha/docker.github.io,gdevillele/docker.github.io,denverdino/docker.github.io,medallia/docker,joeuo/docker.github.io,shin-/docker.github.io,bdwill/docker.github.io,anweiss/docker.github.io,joeuo/docker.github.io,docker-zh/docker.github.io,phiroict/docker,bdwill/docker.github.io,phiroict/docker,docker-zh/docker.github.io,shin-/docker.github.io,joeuo/docker.github.io,shubheksha/docker.github.io,docker/docker.github.io,LuisBosquez/docker.github.io,londoncalling/docker.github.io,johnstep/docker.github.io,menglingwei/denverdino.github.io,gdevillele/docker.github.io,shubheksha/docker.github.io,johnstep/docker.github.io,LuisBosquez/docker.github.io,joaofnfernandes/docker.github.io,danix800/docker.github.io,londoncalling/docker.github.io,johnstep/docker.github.io,jzwlqx/denverdino.github.io,phiroict/docker,aduermael/docker.github.io,jzwlqx/denverdino.github.io,troy0820/docker.github.io,denverdino/denverdino.github.io,troy0820/docker.github.io,medallia/docker,londoncalling/docker.github.io,sanscontext/docker.github.io,anweiss/docker.github.io,sanscontext/docker.github.io,bdwill/docker.github.io,alexisbellido/docker.github.io,londoncalling/docker.github.io,medallia/docker,Shopify/docker,thaJeztah/docker.github.io,Shopify/docker,LuisBosquez/docker.github.io,menglingwei/denverdino.github.io,stainboy/docker,jzwlqx/denverdino.github.io,BSWANG/denverdino.github.io,denverdino/denverdino.github.io,stainboy/docker,denverdino/docker.github.io,Shopify/docker,aduermael/docker.github.io,docker/docker.github.io,menglingwei/denverdino.github.io,joaofnfernandes/docker.github.io,alexisbellido/docker.github.io,JimGalasyn/docker.github.io,shin-/docker.github.io,BSWANG/denverdino.github.io,londoncalling/docker.github.io,denverdino/denverdino.github.io,aduermael/docker.github.io,docker/docker.github.io,denverdino/denverdino.github.io,danix800/docker.github.io,joaofnfernandes/docker.github.io,thaJeztah/docker.github.io,phiroict/docker,phiroict/docker,shin-/docker.github.io,anweiss/docker.github.io,sanscontext/docker.github.io,alexisbellido/docker.github.io,troy0820/docker.github.io,denverdino/docker.github.io,thaJeztah/docker.github.io,jzwlqx/denverdino.github.io,JimGalasyn/docker.github.io,docker-zh/docker.github.io