feat: add basic image build wrapper applying auth

Author: sdellaco

pkg/client/build.go

@@ -0,0 +1,16 @@
+package client
+
+import (
+	"context"
+	"github.com/docker/docker/api/types"
+	"io"
+	"maps"
+)
+
+func (c *Client) ImageBuild(ctx context.Context, buildContext io.Reader, opts types.ImageBuildOptions) (types.ImageBuildResponse, error) {
+	authConfigs := c.authProvider.AuthConfigs()
+	maps.Copy(authConfigs, opts.AuthConfigs)
+	opts.AuthConfigs = authConfigs
+
+	return c.Client.ImageBuild(ctx, buildContext, opts)
+}