Add test for dot imports (#225)

So we can be sure all dot imports work at the same time.

README.md

@@ -70,13 +70,13 @@ func NavbarLink(href, name, currentPath string) Node {
 }
 ```
 
-Some people don't like dot-imports, and luckily it's completely optional.
+(Some people don't like dot-imports, and luckily it's completely optional.)
 
 For a more complete example, see [the examples directory](internal/examples/).
 
 ### What's up with the specially named elements and attributes?
 
-Unfortunately, there are six main name clashes in HTML elements and attributes, so they need an `El` or `Attr` suffix,
+Unfortunately, there are some name clashes in HTML elements and attributes, so they need an `El` or `Attr` suffix,
 to be able to co-exist in the same package in Go.
 
 I've chosen one or the other based on what I think is the common usage.

internal/import/import_test.go

@@ -0,0 +1,19 @@
+package import_test
+
+import (
+	"testing"
+
+	. "maragu.dev/gomponents"
+	. "maragu.dev/gomponents/components"
+	. "maragu.dev/gomponents/html"
+	. "maragu.dev/gomponents/http"
+)
+
+func TestImports(t *testing.T) {
+	t.Run("this is just a test that does nothing, but I need the dot imports above", func(t *testing.T) {
+		_ = El("div")
+		_ = A()
+		_ = HTML5(HTML5Props{})
+		_ = Adapt(nil)
+	})
+}