Add vendor to improve building speed.

This also adds ability to be built in network-constrained environment.

vendor/github.com/go-playground/validator/v10/.gitignore

@@ -0,0 +1,32 @@
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+bin
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof
+*.test
+*.out
+*.txt
+/**/*.DS_Store
+cover.html
+README.html
+.idea