Fix example.env

Author: frafra

example.env

@@ -26,8 +26,7 @@ TM_APP_API_VERSION=v2
 TM_ORG_NAME="Humanitarian OpenStreetMap Team"
 TM_ORG_CODE=HOT
 TM_ORG_LOGO=https://cdn.img.url/logo.png
-# Don't use http or https on the following two variables
-TM_ORG_URL=example.com
+TM_ORG_URL=https://example.com
 TM_ORG_PRIVACY_POLICY_URL=https://www.hotosm.org/privacy
 TM_ORG_TWITTER=http://twitter.com/hotosm
 TM_ORG_FB=https://www.facebook.com/hotosm