[ticket/10073] Add Admin contact email template

PHPBB3-10073

phpBB/language/en/email/contact_admin.txt

@@ -0,0 +1,23 @@
+
+Hello {TO_USERNAME},
+
+The following is an e-mail sent to you through the administration contact page on "{SITENAME}".
+
+<!-- IF S_IS_REGISTERED -->
+The message has been sent from an account on the site.
+Username: {FROM_USERNAME}
+E-mail address: {FROM_EMAIL_ADDRESS}
+IP Address: {FROM_IP_ADDRESS}
+Profile: {U_FROM_PROFILE}
+<!-- ELSE -->
+The message was sent from a guest who specified the following contact information:
+Name: {FROM_USERNAME}
+E-mail address: {FROM_EMAIL_ADDRESS}
+IP Address: {FROM_IP_ADDRESS}
+<!-- ENDIF -->
+
+
+Message sent to you follows
+~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+{MESSAGE}