refactor: moving logging to command functions

easier to unit test our util commands like this

cli/server.go

@@ -5,6 +5,7 @@ import (
 
 	"coopcloud.tech/abra/client"
 	"coopcloud.tech/abra/config"
+	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli/v2"
 )
 
@@ -18,13 +19,16 @@ var serverListCommand = &cli.Command{
 		dockerContextStore := client.NewDefaultDockerContextStore()
 		contexts, err := dockerContextStore.Store.List()
 		if err != nil {
-			panic(err)
+			logrus.Fatal(err)
 		}
 		tableColumns := []string{"Name", "Connection"}
 		table := createTable(tableColumns)
 		defer table.Render()
 
-		serverNames := config.ReadServerNames()
+		serverNames, err := config.ReadServerNames()
+		if err != nil {
+			logrus.Fatal(err)
+		}
 		for _, serverName := range serverNames {
 
 			var row []string