Update IBM dotenv file to allow style customizations

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I60a94a3c88e892d4b4e2469464c4790a6d04b9a5
diff --git a/.env.ibm b/.env.ibm
index 8eb17d7..2d47ae9 100644
--- a/.env.ibm
+++ b/.env.ibm
@@ -1,3 +1,4 @@
 NODE_ENV=production
 VUE_APP_ENV_NAME=ibm
-VUE_APP_COMPANY_NAME="IBM"
\ No newline at end of file
+VUE_APP_COMPANY_NAME="IBM"
+CUSTOM_STYLES=true
\ No newline at end of file