Use the environment variable when creating the custom role in README

[tbuchi888]

Use the environment variable AZURE_ROLE defined just before when creating the custom role in README.

Signed-off-by: Takuya Kawabuchi [email protected]

[codecov-commenter]

Codecov Report

Merging #139 (94534a5) into main (4dff746) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main     #139   +/-   ##
=======================================
  Coverage   12.64%   12.64%           
=======================================
  Files           4        4           
  Lines         609      609           
=======================================
  Hits           77       77           
  Misses        528      528           
  Partials        4        4           

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[jenting]

Please amend your commit to add signoff-by, thank you.

[tbuchi888]

Hi @jenting , Thank you for your comment.
I created the PR from the Github web UI.
In the Web UI, it seems to add Signed-off-by to the Commit comment.
I don't know if this is the right way to add Commit comments,Signed-off-by.

[jenting]

No worries, I could manually set DCO to pass.

[tbuchi888]

@jenting , Thank you for handling the matter.