fix(git): add vendor in .gitignore

vendor/github.com/spf13/cobra/.golangci.yml

@@ -1,48 +0,0 @@
-run:
-  deadline: 5m
-
-linters:
-  disable-all: true
-  enable:
-    #- bodyclose
-    - deadcode
-    #- depguard
-    #- dogsled
-    #- dupl
-    - errcheck
-    #- exhaustive
-    #- funlen
-    - gas
-    #- gochecknoinits
-    - goconst
-    #- gocritic
-    #- gocyclo
-    #- gofmt
-    - goimports
-    - golint
-    #- gomnd
-    #- goprintffuncname
-    #- gosec
-    #- gosimple
-    - govet
-    - ineffassign
-    - interfacer
-    #- lll
-    - maligned
-    - megacheck
-    #- misspell
-    #- nakedret
-    #- noctx
-    #- nolintlint
-    #- rowserrcheck
-    #- scopelint
-    #- staticcheck
-    - structcheck
-    #- stylecheck
-    #- typecheck
-    - unconvert
-    #- unparam
-    #- unused
-    - varcheck
-    #- whitespace
-  fast: false