Merge pull request 'refactor: move server package to internal' (#120) from refactor/move-server-to-internal into staging

Reviewed-on: #120

internal/bootstrap/bootstrap.go

@@ -15,9 +15,9 @@ import (
 	"tunnel_pls/internal/port"
 	"tunnel_pls/internal/random"
 	"tunnel_pls/internal/registry"
+	"tunnel_pls/internal/server"
 	"tunnel_pls/internal/transport"
 	"tunnel_pls/internal/version"
-	"tunnel_pls/server"
 	"tunnel_pls/types"
 
 	"golang.org/x/crypto/ssh"