Add presentations section and pathops file for test

BUG=skia:
NOTRY=true
DOCS_PREVIEW= https://skia.org/?cl=1111453002

Review URL: https://codereview.chromium.org/1111453002
diff --git a/site/dev/METADATA b/site/dev/METADATA
index 92294f3..8c2e83f 100644
--- a/site/dev/METADATA
+++ b/site/dev/METADATA
@@ -1,4 +1,4 @@
 {
-  "dirOrder": ["chrome", "contrib", "design", "runtime", "testing", "tools", "sheriffing"],
+  "dirOrder": ["chrome", "contrib", "design", "present", "runtime", "testing", "tools", "sheriffing"],
   "fileOrder": []
 }
diff --git a/site/dev/present/index.md b/site/dev/present/index.md
new file mode 100644
index 0000000..7452cb6
--- /dev/null
+++ b/site/dev/present/index.md
@@ -0,0 +1,4 @@
+Presentations
+================
+
+Resources providing technical overview of various aspects of the Skia library
diff --git a/site/dev/present/pathops.md b/site/dev/present/pathops.md
new file mode 100644
index 0000000..105f20d
--- /dev/null
+++ b/site/dev/present/pathops.md
@@ -0,0 +1,13 @@
+Path Ops
+========
+
+View the PathOps presentations with speaker notes enabled for full content. 
+
+2014 Updates
+------------
+<iframe
+src="https://docs.google.com/presentation/d/1NbmG5W6VW9h5HtjpCVLx4h6SXW0qW7HIwmSfiwzFbrI/embed?start=false&loop=false&delayms=3000"
+frameborder="0" width="480" height="299" allowfullscreen="true"
+mozallowfullscreen="true" webkitallowfullscreen="true"></iframe>
+
+