fix: CNAME file issue

CNAME file was located in ./static-assets, but it should be in the
`out` directory after the build stage because the `out` folder was
created in the `build` stage.

Jenkinsfile

@@ -19,7 +19,7 @@ pipeline {
     CONTENT_SOURCE_URL = '../src'
     GIT_COMMITTER_NAME = 'status-im-auto'
     GIT_COMMITTER_EMAIL = 'auto@status.im'
-    /* dev page settings */
+    PROD_SITE = 'vac.dev'
     DEV_SITE  = 'dev.vac.dev'
     DEV_HOST  = 'jenkins@node-01.do-ams3.sites.misc.statusim.net'
     SCP_OPTS  = 'StrictHostKeyChecking=no'
@@ -48,6 +48,7 @@ pipeline {
       steps {
         dir('builder') {
           sh 'yarn build'
+          sh "echo ${env.PROD_SITE} > out/CNAME"
         }
       }
     }

static-assets/CNAME

@@ -1 +0,0 @@
-vac.dev