Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/golang.org/x/tools/godoc/README.md

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+# godoc
+
+This directory contains most of the code for running a godoc server. The
+executable lives at golang.org/x/tools/cmd/godoc.
+
+## Development mode
+
+In production, CSS/JS/template assets need to be compiled into the godoc
+binary. It can be tedious to recompile assets every time, but you can pass a
+flag to load CSS/JS/templates from disk every time a page loads:
+
+```
+godoc -templates=$GOPATH/src/golang.org/x/tools/godoc/static -http=:6060
+```
+
+## Recompiling static assets
+
+The files that live at `static/style.css`, `static/jquery.js` and so on are not
+present in the final binary. They are placed into `static/static.go` by running
+`go generate`. So to compile a change and test it in your browser:
+
+1) Make changes to e.g. `static/style.css`.
+
+2) Run `go generate golang.org/x/tools/godoc/static` so `static/static.go` picks
+up the change.
+
+3) Run `go install golang.org/x/tools/cmd/godoc` so the compiled `godoc` binary
+picks up the change.
+
+4) Run `godoc -http=:6060` and view your changes in the browser. You may need
+to disable your browser's cache to avoid reloading a stale file.