docs: rename v2 to di (#21181)

Co-authored-by: Facundo <[email protected]>

Author: tac0turtle

docs/build/building-apps/01-app-go-v2.md docs/build/building-apps/01-app-go-di.mddocs/build/building-apps/01-app-go-v2.md renamed to docs/build/building-apps/01-app-go-di.md

@@ -31,7 +31,7 @@ Namely, the SDK provides the following mempools:
 * [Sender Nonce Mempool](#sender-nonce-mempool)
 * [Priority Nonce Mempool](#priority-nonce-mempool)
 
-The default SDK is a [No-op Mempool](#no-op-mempool), but it can be replaced by the application developer in [`app.go`](./01-app-go-v2.md):
+The default SDK is a [No-op Mempool](#no-op-mempool), but it can be replaced by the application developer in [`app.go`](./01-app-go-di.md):
 
 ```go
 nonceMempool := mempool.NewSenderNonceMempool()