feat: Waku v2 bridge

Issue #12610

vendor/github.com/anacrolix/missinggo/v2/reader_context.go

@@ -0,0 +1,16 @@
+package missinggo
+
+import "context"
+
+type ContextedReader struct {
+	R   ReadContexter
+	Ctx context.Context
+}
+
+func (me ContextedReader) Read(b []byte) (int, error) {
+	return me.R.ReadContext(me.Ctx, b)
+}
+
+type ReadContexter interface {
+	ReadContext(context.Context, []byte) (int, error)
+}