Add survey during first run for a default image (#483)

* Add survey during first run for a default image

* few minor formatting updates

* Use image from DockerHub

Co-authored-by: Casey Lee <cplee@nektos.com>

go.sum

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@@ -203,6 +209,8 @@ github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1
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@@ -219,14 +227,22 @@ github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFB
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@@ -303,6 +319,7 @@ github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIK
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@@ -318,6 +335,7 @@ github.com/spf13/viper v1.7.0/go.mod h1:8WkrPz2fc9jxqZNCJI/76HCieCp4Q8HaLFoCha5q
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@@ -344,6 +362,7 @@ golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnf
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