Chart details draft (#4)

* Add logo

* Refactor out structs

* Data layer context-awareness

* Mod

* Data layer improvements

* Progress

* Progress

* Progress

* Figured the time format shorter

* Statuses colors

* Sticky URL

* Calculate some diffs inside

* Separate checks

* Scrap gofmt

* Skip custom test in GH

* Shows some colorful diff

pkg/dashboard/utils.go

@@ -1,3 +1,17 @@
 package dashboard
 
+import (
+	"errors"
+	"strings"
+)
+
 type ControlChan = chan struct{}
+
+func chartAndVersion(x string) (string, string, error) {
+	lastInd := strings.LastIndex(x, "-")
+	if lastInd < 0 {
+		return "", "", errors.New("can't parse chart version string")
+	}
+
+	return x[:lastInd], x[lastInd+1:], nil
+}