Updating links to docs repo (knative#3497)

* Fixing broken links to docs repo

* Dropping vendor files from PR

* Minor wording tweaks

CONTRIBUTING.md

@@ -1,5 +1,5 @@
 # Contribution guidelines
 
 So you want to hack on Knative Serving? Yay! Please refer to Knative's overall
-[contribution guidelines](https://github.com/knative/docs/blob/master/contributing/CONTRIBUTING.md)
+[contribution guidelines](https://www.knative.dev/contributing/)
 to find out how you can help.

DEVELOPMENT.md

@@ -1,10 +1,10 @@
 # Development
 
 This doc explains how to setup a development environment so you can get started
-[contributing](https://github.com/knative/docs/blob/master/contributing/CONTRIBUTING.md)
+[contributing](https://www.knative.dev/contributing/)
 to `Knative Serving`. Also take a look at:
 
-- [The pull request workflow](https://github.com/knative/docs/blob/master/contributing/CONTRIBUTING.md#pull-requests)
+- [The pull request workflow](https://www.knative.dev/contributing/contributing/#pull-requests)
 - [How to add and run tests](./test/README.md)
 - [Iterating](#iterating)
 
@@ -36,7 +36,8 @@ You must install these tools:
 
 ### Create a cluster and a repo
 
-1. [Set up a kubernetes cluster](https://github.com/knative/docs/blob/master/docs/install/README.md#install-guides)
+
+1. [Set up a kubernetes cluster](https://www.knative.dev/docs/install/)
    - Follow an install guide up through "Creating a Kubernetes Cluster"
    - You do _not_ need to install Istio or Knative using the instructions in the
      guide. Simply create the cluster and come back here.
@@ -116,7 +117,7 @@ can easily [clean your cluster up](#clean-up) and try again.
 Your user must be a cluster admin to perform the setup needed for Knative.
 
 The value you use depends on
-[your cluster setup](https://github.com/knative/docs/blob/master/docs/install/README.md#install-guides):
+[your cluster setup](https://www.knative.dev/docs/install/):
 when using Minikube, the user is your local user; when using GKE, the user is
 your GCP user.
 
@@ -143,7 +144,7 @@ kubectl apply -f ./third_party/istio-1.0.6/istio.yaml
 ```
 
 Follow the
-[instructions](https://github.com/knative/docs/blob/master/docs/serving/gke-assigning-static-ip-address.md)
+[instructions](https://www.knative.dev/docs/serving/gke-assigning-static-ip-address/)
 if you need to set up static IP for Ingresses in the cluster.
 
 ### Deploy Knative Serving
@@ -262,6 +263,7 @@ ko delete --ignore-not-found=true \
 
 To access Telemetry see:
 
-- [Accessing Metrics](https://github.com/knative/docs/blob/master/docs/serving/accessing-metrics.md)
-- [Accessing Logs](https://github.com/knative/docs/blob/master/docs/serving/accessing-logs.md)
-- [Accessing Traces](https://github.com/knative/docs/blob/master/docs/serving/accessing-traces.md)
+
+- [Accessing Metrics](https://www.knative.dev/docs/serving/accessing-metrics/)
+- [Accessing Logs](https://www.knative.dev/docs/serving/accessing-logs/)
+- [Accessing Traces](https://www.knative.dev/docs/serving/accessing-traces/

README.md

@@ -17,8 +17,8 @@ The Knative Serving project provides middleware primitives that enable:
 - Point-in-time snapshots of deployed code and configurations
 
 For documentation on using Knative Serving, see the
-[serving](https://github.com/knative/docs/tree/master/docs/serving) folder of
-the [Knative Docs](https://github.com/knative/docs) repository.
+[serving section](https://www.knative.dev/docs/serving/) of the
+[Knative documentation site](https://www.knative.dev/docs).
 
 For documentation on the Knative Serving specification, see the
 [docs](https://github.com/knative/serving/tree/master/docs) folder of this

community/README.md

@@ -1,5 +1,5 @@
 # Knative Community
 
 For community information, see
-[Knative Community](https://github.com/knative/docs/tree/master/community) in
-the [Docs](https://github.com/knative/docs) repo.
+[Knative Contributing](https://www.knative.dev/contributing/) on
+the [https://www.knative.dev](https://www.knative.dev/) site.

sample/README.md

@@ -1,4 +1,4 @@
 # Serving Samples
 
 Samples for Knative Serving are available in the
-[Knative Docs repo](https://github.com/knative/docs/tree/master/serving/samples).
+[Knative Docs repo](https://github.com/knative/docs/tree/master/docs/serving/samples).