Add needed files for Wendelin learning track.

tutorial/fluentd-gateway.xml

+<?xml version="1.0" encoding="utf-8" ?>
+<instance>
+    <parameter id="conf-text">
+        &lt;source&gt;
+            @type forward
+            port 24224
+            bind <IPv4>
+        &lt;/source&gt;
+
+        &lt;match *.temp&gt;
+            @type wendelin
+            streamtool_uri https://softinst<INSTANCE_ID>.host.vifib.net/erp5/portal_ingestion_policies/default
+            user      zope
+            password  <PASSWORD>
+            &lt;buffer&gt;
+                flush_mode interval
+                @type file
+                path fluentd-temp-buffer-file/
+                flush_interval 5s
+            &lt;/buffer&gt;
+        &lt;/match&gt;
+    </parameter>
+</instance>
+
+

tutorial/fluentd-sensor.xml

+<?xml version='1.0' encoding='utf-8'?>
+<instance>
+    <parameter id="conf-text">
+        &lt;source&gt;
+            @type exec
+            tag sensor1.temp
+            command python3 /srv/slapgrid/kbme280-sim.py
+            run_interval 30s
+            &lt;parse&gt;
+                keys pressure, humidity, temperature
+            &lt;/parse&gt;
+        &lt;/source&gt;
+
+        &lt;match *.temp&gt;
+            @type forward
+            &lt;server&gt;
+                name fluentd-gw
+                host <IPv4>
+                port 24224
+            &lt;/server&gt;
+        &lt;/match&gt;
+    </parameter>
+</instance>

tutorial/kbme280-sim.py.py

+#!/usr/bin/python3
+# simulate bme280 from https://wendelin.nexedi.com/wendelin-Tutorial.Setup.Fluentd.on.Sensor
+from random import gauss as g
+
+Pm, Ps = 760, 30
+Hm, Hs =  80, 5
+Tm, Ts =  20, 2
+print('%.1f\t%.1f\t%.1f' % (g(Pm,Ps), g(Hm,Hs), g(Tm,Ts)))