Move bolt db adapter to separate file

go.mod

@@ -8,14 +8,17 @@ require (
 	github.com/boltdb/bolt v1.3.1
 	github.com/codeskyblue/go-sh v0.0.0-20190412065543-76bd3d59ff27
 	github.com/dennwc/btrfs v0.0.0-20190517175702-d917b30ff035
+	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
 	github.com/gin-gonic/gin v1.5.0
+	github.com/golang/protobuf v1.4.2 // indirect
+	github.com/google/go-cmp v0.5.2 // indirect
 	github.com/imdario/mergo v0.3.9
-	github.com/mattn/goveralls v0.0.5 // indirect
 	github.com/pkg/profile v1.4.0
 	github.com/ryszard/goskiplist v0.0.0-20150312221310-2dfbae5fcf46
 	github.com/smartystreets/goconvey v1.6.4
+	github.com/stretchr/testify v1.6.1 // indirect
 	github.com/urfave/cli v1.22.3
-	golang.org/x/sys v0.0.0-20200302150141-5c8b2ff67527
-	golang.org/x/tools v0.0.0-20200312194400-c312e98713c2 // indirect
+	golang.org/x/sys v0.0.0-20200519105757-fe76b779f299
 	gopkg.in/op/go-logging.v1 v1.0.0-20160211212156-b2cb9fa56473
+	gopkg.in/yaml.v2 v2.3.0 // indirect
 )