Add Matrix/Riot package and updated README

package-riot/templates/mxisd.yaml.j2

@@ -0,0 +1,47 @@
+---
+# mxisd configuration file
+# {{ ansible_managed }}
+matrix:
+  domain: "im.{{ blsedomains_webdomain }}"
+key:
+  path: '/var/lib/mxisd/keys'
+storage:
+  provider:
+    sqlite:
+      database: '/var/lib/mxisd/store.db'
+ldap:
+  enabled: true
+  connection:
+    host: "{{ blsecluster_ldaphost }}"
+    port: 389
+    bindDn: "{{ username_ldap_admin }}"
+    bindPassword: "{{ passwd_ldap_admin }}"
+    baseDNs:
+      - "{{ ldap_basedn }}"
+  filter: "(&(objectClass=mailUser)(accountStatus=active))"
+  attribute:
+    uid:
+      type: "uid"
+      value: "uid"
+    name: "cn"
+    threepid:
+      email:
+        - "mail"
+threepid:
+  medium:
+    email:
+      identity:
+        from: "matrix@{{ blsedomains_webdomain }}"
+      connectors:
+        smtp:
+          host: "{{ blsecluster_smtphost }}"
+          port: 587
+          tls: 1
+          login: "{{ username_email_root }}"
+          password: "{{ passwd_email_root }}"
+dns:
+  overwrite:
+    homeserver:
+      client:
+        - name: 'im.{{ blsedomains_webdomain }}'
+          value: 'http://localhost:8008'