Add support for running the incremental script in Actions

.github/main.workflow

diff --git a/.github/main.workflow b/.github/main.workflow
new file mode 100644
index 0000000..fdaf830
--- /dev/null
+++ b/.github/main.workflow
@@ -0,0 +1,11 @@
+workflow "Update Trunk CDN" {
+  on = "push"
+  resolves = ["Incremental"]
+}
+
+action "Incremental" {
+  uses = "./Scripts/"
+  secrets = ["GITHUB_TOKEN"]
+  TO_REPO  = "orta/CDN-Specs"
+  TO_BRANCH = "master"
+}

Scripts/Dockerfile

diff --git a/Scripts/Dockerfile b/Scripts/Dockerfile
new file mode 100644
index 0000000..ec9e1a4
--- /dev/null
+++ b/Scripts/Dockerfile
@@ -0,0 +1,11 @@
+FROM ruby:2.5
+
+MAINTAINER CocoaPods
+
+LABEL "com.github.actions.name"="Incremental Update"
+LABEL "com.github.actions.description"="Adds a commit for CDN changes to a Specs Repo"
+LABEL "com.github.actions.icon"="zap"
+LABEL "com.github.actions.color"="blue"
+
+RUN ls
+CMD ["ls"]

Scripts/README.md

diff --git a/Scripts/README.md b/Scripts/README.md
index 8a74d97..4ca1436 100644
--- a/Scripts/README.md
+++ b/Scripts/README.md
@@ -1,5 +1,12 @@
-These scripts are a part of updating CocoaPods to work with a CDN instead of only via
+## Scripts
+
+The two scripts are a part of updating CocoaPods to work with a CDN instead of only via
 `git` repos.
 
 - [`add_indexes.sh`](add_indexes.sh) - Adds an index for every Pod, this should probably only need to be used once
 - [`add_incremental_index.sh`](add_incremental_index.sh) - Uses git to update only the last x Pods which have changed
+
+## The Dockerfile 
+
+The Dockerfile is executed via GitHub Actions, you can run the same execution path locally by running: `docker run  ./Scripts/Dockerfile` from the root.
+