Describe the change

Adds comments to frontend main.go, filestream main.go, oneshot main.go, rpc.go

Describe testing procedures

cd strelka-frontend
go build main.go
cd strelka-filestream
go build main.go
cd strelka-oneshot
go build main.go

Sample output

No changes

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of and tested my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings