add missing readme

README.md

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+Terraform Provider
+==================
+
+- Website: https://www.terraform.io
+- [![Gitter chat](https://badges.gitter.im/hashicorp-terraform/Lobby.png)](https://gitter.im/hashicorp-terraform/Lobby)
+- Mailing list: [Google Groups](http://groups.google.com/group/terraform-tool)
+
+<img src="https://cdn.rawgit.com/hashicorp/terraform-website/master/source/assets/images/logo-text.svg" width="600px">
+
+Requirements
+------------
+
+-	[Terraform](https://www.terraform.io/downloads.html) 0.10.x
+-	[Go](https://golang.org/doc/install) 1.8 (to build the provider plugin)
+
+Building The Provider
+---------------------
+
+Clone repository to: `$GOPATH/src/github.com/terraform-providers/terraform-provider-vsphere`
+
+```sh
+$ mkdir -p $GOPATH/src/github.com/terraform-providers; cd $GOPATH/src/github.com/terraform-providers
+$ git clone [email protected]:terraform-providers/terraform-provider-vsphere
+```
+
+Enter the provider directory and build the provider
+
+```sh
+$ cd $GOPATH/src/github.com/terraform-providers/terraform-provider-vsphere
+$ make build
+```
+
+Using the provider
+----------------------
+## Fill in for each provider
+
+Developing the Provider
+---------------------------
+
+If you wish to work on the provider, you'll first need [Go](http://www.golang.org) installed on your machine (version 1.8+ is *required*). You'll also need to correctly setup a [GOPATH](http://golang.org/doc/code.html#GOPATH), as well as adding `$GOPATH/bin` to your `$PATH`.
+
+To compile the provider, run `make build`. This will build the provider and put the provider binary in the `$GOPATH/bin` directory.
+
+```sh
+$ make build
+...
+$ $GOPATH/bin/terraform-provider-vsphere
+...
+```
+
+In order to test the provider, you can simply run `make test`.
+
+```sh
+$ make test
+```
+
+In order to run the full suite of Acceptance tests, run `make testacc`.
+
+*Note:* Acceptance tests create real resources, and often cost money to run.
+
+```sh
+$ make testacc
+```