Doc: Rework documentation site structure (#513)

* Add linter config

* Doc: Update deployment doc prefix lists

Add IPv4 and IPv6 prefix list Ids to security group ingress onboarding step instead of the specific IP range used by the Lattice network.

* Doc: Update development doc with prefix lists

Add IPv4 and IPv6 prefix list Ids to security group ingress onboarding step instead of the specific IP range used by the Lattice network.

* ci: Use mattn/goveralls instead of shogo821/goveralls

* ci: Use mattn/goveralls instead of shogo821/goveralls

* doc: update overview page for v1

* Doc: Update readme

* doc: add link to SG docs in deploy

* nit: space and wording cleanup

* Docs: Major doc folder structure update

* doc: add code of conduct

* doc: Move api reference back to top-level nav

* doc: fix merge conflict

Author: graehren

README.md

@@ -16,9 +16,7 @@ website: [https://www.gateway-api-controller.eks.aws.dev/][ghp].
 
 ### Concepts
 
-To get started, please read through [API concepts][concepts] and
-[Security model][security-model]. These documents give the necessary background
-to understand the API and the use-cases it targets.
+To get started, please read through [API concepts][concepts]. These documents give the necessary background to understand the API and the use-cases it targets.
 
 ### Getting started
 
@@ -57,6 +55,5 @@ This project is licensed under the Apache-2.0 License.
 [getting-started]: https://www.gateway-api-controller.eks.aws.dev/getstarted/
 [spec]: https://www.gateway-api-controller.eks.aws.dev/reference/grpc-route/
 [concepts]: https://www.gateway-api-controller.eks.aws.dev/configure/
-[security-model]: https://gateway-api.sigs.k8s.io/concepts/security-model
 [gh_release]: https://github.com/aws/aws-application-networking-k8s/releases/tag/v0.0.18
 [godoc]: https://www.gateway-api-controller.eks.aws.dev/

code-of-conduct.md

@@ -0,0 +1,2 @@
+# Code of Conduct
+The AWS Gateway API Controller project follows the [CNCF Community Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).