Add parser and linter libraries to third party docs (#6474)

* Add Protobuf parser and linter

* chore: Add some third-party tools

docs/third_party.md

diff --git a/docs/third_party.md b/docs/third_party.md
index ceb14ee..0442cf7 100644
--- a/docs/third_party.md
+++ b/docs/third_party.md
@@ -184,3 +184,9 @@
 * [Protocol Buffer property-based testing utility and example message generator (Python / Hypothesis)](https://github.com/CurataEng/hypothesis-protobuf)
 * [Protolock - CLI utility to prevent backward-incompatible changes to .proto files](https://github.com/nilslice/protolock)
 * [Optional GRPC - GRPC for testable microservices (Python)](https://github.com/mattpaletta/optional-grpc.git)
+* [Protobuf Parser - Yet another Go package which parses a Protocol Buffer file (proto2+proto3)](https://github.com/yoheimuta/go-protoparser)
+* [Protolint - A tool to enforce Protocol Buffer style and conventions.](https://github.com/yoheimuta/protolint)
+    * [vscode-protolint: A protobuf linter for visual studio code](https://github.com/plexsystems/vscode-protolint)
+    * [intellij-protolint: A protobuf linter for JetBrains IDEs](https://github.com/yoheimuta/intellij-protolint)
+    * [vim-protolint: A protobuf linter for Vim](https://github.com/yoheimuta/vim-protolint)
+* [super-linter: Protocol Buffer lint as GitHub Action](https://github.com/github/super-linter)