Add .golangci.yml

Signed-off-by: Simon Pasquier <spasquie@redhat.com>

.gitignore

@@ -7,6 +7,7 @@
 /.release
 /.tarballs
 
+!.golangci.yml
 !/cli/testdata/*.yml
 !/cli/config/testdata/*.yml
 !/doc/examples/simple.yml

.golangci.yml

@@ -0,0 +1,8 @@
+run:
+  modules-download-mode: vendor
+
+# Run only staticcheck for now. Additional linters will be enabled one-by-one.
+linters:
+  enable:
+  - staticcheck
+  disable-all: true