Group element helpers in different files (#21)

According to the section at https://developer.mozilla.org/en-US/docs/Web/HTML/Element

1 files changed, 15 insertions, 0 deletions

diff --git a/el/media_test.go b/el/media_test.go
new file mode 100644
index 0000000..0c078dd
--- /dev/null
+++ b/el/media_test.go
@@ -0,0 +1,15 @@
+package el_test
+
+import (
+	"testing"
+
+	g "github.com/maragudk/gomponents"
+	"github.com/maragudk/gomponents/assert"
+	"github.com/maragudk/gomponents/el"
+)
+
+func TestImg(t *testing.T) {
+	t.Run("returns an img element with href and alt attributes", func(t *testing.T) {
+		assert.Equal(t, `<img src="hat.png" alt="hat" id="image" />`, el.Img("hat.png", "hat", g.Attr("id", "image")))
+	})
+}