dev/install (#58)

improved ci/cd pipeline + interactive install script

Reviewed-on: #58
Co-authored-by: Tom Tröger <t.troeger.02@gmail.com>
Co-committed-by: Tom Tröger <t.troeger.02@gmail.com>

Backend/helper/time.go

@@ -31,7 +31,6 @@ func FormatDuration(d time.Duration) string {
 
 // Converts duration to string
 func FormatDurationFill(d time.Duration, fill bool) string {
-	return fmt.Sprintf("%.1f", d.Hours())
 	hours := int(d.Abs().Hours())
 	minutes := int(d.Abs().Minutes()) % 60
 	sign := ""