add requirements file,hosts.ini and README

roles/synapse/templates/logrotate.j2

@@ -0,0 +1,10 @@
+{{ ansible_managed | comment }}
+/var/log/matrix_synapse/matrix_synapse.log {
+    daily
+    rotate {{ matrix_synapse_log_days_keep }}
+    compress
+    shred
+    postrotate
+      /usr/bin/pkill -HUP rsyslogd
+    endscript
+}

roles/synapse/templates/matrix-synapse.service.j2

@@ -0,0 +1,16 @@
+[Unit]
+Description="Matrix Synapse Server (synapse)"
+
+[Service]
+Type=simple
+WorkingDirectory={{ matrix_synapse_base_path }}
+ExecStart={{ matrix_synapse_base_path }}/env/bin/python -m synapse.app.homeserver --config-path={{ matrix_synapse_base_path }}/homeserver.yaml
+ExecStop={{ matrix_synapse_base_path }}/env/bin/synctl stop {{ matrix_synapse_base_path }}/homeserver.yaml
+User=synapse
+Group=synapse
+Restart=always
+StandardOutput=syslog
+SyslogIdentifier=matrix_synapse
+
+[Install]
+WantedBy=default.target

roles/synapse/templates/syslog-synapse.conf.j2

@@ -0,0 +1,2 @@
+if $programname == 'matrix_synapse' then {{ matrix_synapse_log_dir }}/matrix_synapse.log
+if $programname == 'matrix_synapse' then ~