Split out content to many smaller files

And add markmaker.py to generate workshop.md

docs/workshop.yml

@@ -0,0 +1,46 @@
+chapters:
+- intro.md
+- |
+  @@TOC@@
+- - prereqs.md
+  - versions.md
+  - |
+    class: title
+
+    All right!
+    <br/>
+    We're all set.
+    <br/>
+    Let's do this.
+  - |
+    name: part-1
+
+    class: title, self-paced
+
+    Part 1
+  - sampleapp.md
+  - |
+    class: title
+
+    Scaling out
+  - swarmkit.md
+- - firstservice.md
+  - ourapponswarm.md
+- - operatingswarm.md
+  - netshoot.md
+  - swarmnbt.md
+  - ipsec.md
+  - updatingservices.md
+  - healthchecks.md
+  - nodeinfo.md
+  - swarmtools.md
+- - security.md
+  - secrets.md
+  - leastprivilege.md
+  - namespaces.md
+  - apiscope.md
+  - encryptionatrest.md
+  - metrics.md
+  - stateful.md
+  - extratips.md
+  - end.md