docs: restructure docs (#14421)

Closes #13434 
Supersedes #14182

---------

Co-authored-by: Ethan <39577870+ethanndickson@users.noreply.github.com>
Co-authored-by: Ethan Dickson <ethan@coder.com>
Co-authored-by: Ben Potter <ben@coder.com>
Co-authored-by: Stephen Kirby <58410745+stirby@users.noreply.github.com>
Co-authored-by: Stephen Kirby <me@skirby.dev>
Co-authored-by: EdwardAngert <17991901+EdwardAngert@users.noreply.github.com>
Co-authored-by: Edward Angert <EdwardAngert@users.noreply.github.com>

docs/install/cloud/index.md

@@ -0,0 +1,44 @@
+# Cloud Platforms
+
+We provide install guides and example templates for deploying Coder to your
+cloud of choice.
+
+<div class="tabs">
+
+## AWS
+
+We publish an EC2 image with Coder pre-installed. Follow the tutorial here:
+
+- [Install Coder on AWS EC2](./ec2.md)
+
+Alternatively, install the [CLI binary](../cli.md) on any Linux machine or
+follow our [Kubernetes](../kubernetes.md) documentation to install Coder on an
+existing EKS cluster.
+
+## GCP
+
+We publish a GCP Marketplace listing with Coder pre-installed. Follow the
+tutorial here:
+
+- [Install Coder on GCP Compute Engine](./compute-engine.md)
+
+Alternatively, install the [CLI binary](../cli.md) on any Linux machine or
+follow our [Kubernetes](../kubernetes.md) documentation to install Coder on an
+existing GKE cluster.
+
+## Azure
+
+Use the following guide to run Coder on an Azure VM:
+
+- [Install Coder on an Azure VM](./azure-vm.md)
+
+Alternatively, install the [CLI binary](../cli.md) on any Linux machine or
+follow our [Kubernetes](../kubernetes.md) documentation to install Coder on an
+existing GKE cluster.
+
+## Other
+
+Is your cloud missing? Check [unofficial](../other/index.md) install methods or
+install the [standalone binary](../cli.md).
+
+</div>