Add aliases to all nested record type

[eladhaim]

We are working with really big avro record with a lot of nested objects, sometimes we want to build the
record from little building blocks, the thing is that the generator exports only the top level record as alias we want to have aliases to all of our building blocks. can i submit a pr that add and option to alias all nested records?

[toanvc]

Hello it was fine with version 6.1.0, but when I updated to 6.2.0, this issue started happening. Can someone take a look? I don't want us to lose the new update just because of this issue.