add changeset

.changeset/young-pears-hug.md

@@ -0,0 +1,10 @@
+---
+'@solana/wallet-adapter-material-ui-starter': patch
+'@solana/wallet-adapter-react-ui-starter': patch
+'@solana/wallet-adapter-unsafe-burner': patch
+'@solana/wallet-adapter-example': patch
+'@solana/wallet-adapter-react': patch
+'@solana/wallet-adapter-base': patch
+---
+
+Add `signIn` (Sign In With Solana) method