Add example of using vendor for golang

examples/tutorial/hello/go/usingdeps/README.md

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+# Tutorial 1.2: Go Function w/ Input And Vendor Folder. (3 minutes)
+
+This example will show you how to test and deploy Go (Golang) code with vendored Dependencies to Oracle Functions. It will also demonstrate passing data in through stdin.
+
+### First, run the following commands:
+
+```sh
+#Vendor Dependencies
+glide install -v #Or what ever vendor tool you want. We have a glide.yaml for you here already.
+
+# Initialize your function creating a func.yaml file
+fn init <DOCKERHUB_USERNAME>/hello-go
+
+# Test your function. This will run inside a container exactly how it will on the server
+fn run
+
+# Now try with an input
+cat sample.payload.json | fn run
+
+# Deploy your functions to the Oracle Functions server (default localhost:8080)
+# This will create a route to your function as well
+fn deploy myapp
+```
+
+### Now call your function:
+
+```sh
+curl http://localhost:8080/r/myapp/hello-go
+```
+
+Or call from a browser: [http://localhost:8080/r/myapp/go](http://localhost:8080/r/myapp/hello-go)
+
+And now with the JSON input:
+
+```sh
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/hello-go
+```
+
+That's it!
+
+### Note on Dependencies
+
+In Go, simply put them all in the `vendor/` directory.
+This example uses logrus. Put logrus in the vendor folder you can just call:
+`glide install -v`
+
+# In Review
+
+1. We piped JSON data into the function at the command line
+    ```sh
+    cat sample.payload.json | fn run
+    ```
+
+2. We received our function input through **stdin**
+    ```go
+    json.NewDecoder(os.Stdin).Decode(p)
+    ```
+
+3. We wrote our output to **stdout**
+    ```go
+    fmt.Printf("Hello")
+    ```
+
+4. We sent **stderr** to the server logs
+    ```go
+    log.Println("here")
+    ```