Add slides for slack and github

Author: bcremer

assets/slack.svg

@@ -59,6 +59,27 @@ <h2>
     <p>
 </section>
 
+<section>
+    <h2>
+        <img src="../assets/slack.svg" class="noborder" width="250px" />
+    </h2>
+
+    <p>Room <strong>#phpugms</strong><br>
+    PHPUG Slack (<a href="https://phpug.slack.com/">phpug.slack.com</a>)<br>
+    Get your Invite (<a href="https://php.ug/slackinvite">php.ug/slackinvite</a>)
+</p>
+</section>
+
+<section>
+    <h2>Slide Archive on Github</h2>
+
+    <p>
+        Contribute Slides and links on GitHub<br>
+        <a href="https://github.com/phpugms/">github.com/phpugms</a><br>
+        <a href="https://phpugms.github.io/">phpugms.github.io</a>
+    </p>
+</section>
+
                 <section>
                     <h1>Wifi</h1>
                     <p>SSID: GS Event<br>Password: gruenspar4events</p>

phpugms_greeting_2017-11/index.html

@@ -59,6 +59,31 @@ <h2>
     <p>
 </section>
 
+
+<section>
+    <h2>
+        <img src="../assets/slack.svg" class="noborder" width="250px" />
+    </h2>
+
+    <p>Room <strong>#phpugms</strong><br>
+    PHPUG Slack (<a href="https://phpug.slack.com/">phpug.slack.com</a>)<br>
+    Get your Invite (<a href="https://php.ug/slackinvite">php.ug/slackinvite</a>)
+</p>
+</section>
+
+<section>
+    <h2>Slide Archive on Github</h2>
+
+
+
+    <p>
+        Contribute Slides and links on GitHub<br>
+        <a href="https://github.com/phpugms/">github.com/phpugms</a><br>
+        <a href="https://phpugms.github.io/">phpugms.github.io</a>
+    </p>
+</section>
+
+
                 <section>
                     <h1>Wifi</h1>
                     <p>SSID: GS Event<br>Password: gruenspar4events</p>