style: go fmt and goimports

db.go

@@ -205,7 +205,7 @@ func loadCard(db *bolt.DB, id int) (Card, error) {
 	var card Card
 	bucket := []byte(cardBucket)
 
-	err := db.View(func(tx *bolt.Tx)error {
+	err := db.View(func(tx *bolt.Tx) error {
 		b := tx.Bucket(bucket)
 
 		if b == nil {

db_test.go

@@ -64,7 +64,7 @@ func TestDbDefaultPath(t *testing.T) {
 
 	if got != want {
 		t.Errorf("Got unexpected database path: want %s, got %s", want, got)
-	}  else {
+	} else {
 		t.Logf("Got expected database path: got %s", got)
 	}
 }

kanban.go

@@ -9,7 +9,7 @@ type Status struct {
 
 // Card represents a card on a Kanban board
 type Card struct {
-	Id       int
-	Title    string
-	Content  string
+	Id      int
+	Title   string
+	Content string
 }

magefile.go

@@ -1,4 +1,5 @@
-//+build mage
+//go:build mage
+// +build mage
 
 package main