Add swagger for gRPC REST (#7075)

* swagger gen command added

* proto file changed

* Add filter for swagger files

* Remove loop

* Add go-swagger installation

* Add swagger mixer command

* add swagger options

* remove files

* Fix swagger-combine

* Fix description

* remove unnecessary config option

* remove go-swagger dependency

* refactor

* Add proto-gen-swagger installation tool

* fix tool

* refactor

* don't push individual swagger files to repo

* refactor

* Fix doc

* move proto-swagger-gen to a separate target

* Fix permissions

* Add ibc swagger gen

* Update swagger generation doc

* cleanup

* gofmt

* refactor

* update Makefile

Co-authored-by: anilCSE <anil@vitwit.com>
Co-authored-by: Federico Kunze <federico.kunze94@gmail.com>

scripts/protocgen.sh

@@ -17,6 +17,7 @@ Mgoogle/protobuf/any.proto=github.com/cosmos/cosmos-sdk/codec/types:. \
   -I "third_party/proto" \
   --grpc-gateway_out=logtostderr=true:. \
   $(find "${dir}" -maxdepth 1 -name '*.proto')
+
 done
 
 # generate codec/testdata proto code
@@ -26,5 +27,3 @@ Mgoogle/protobuf/any.proto=github.com/cosmos/cosmos-sdk/codec/types:. ./testutil
 # move proto files to the right places
 cp -r github.com/cosmos/cosmos-sdk/* ./
 rm -rf github.com
-
-