Added Readme

Author: alexandrst88

README.md

@@ -0,0 +1,76 @@
+# terraform-variables-generator
+
+Simple Tool for Generate Variables file from Terraform Configuration. It will find all *.tf files in current directory, and generate varibales.tf file, if you already have this file, it will ask to override it.
+
+## Build
+
+```bash
+go build .
+```
+
+## Usage
+
+```bash
+./terraform-variables-generator
+```
+
+It will find all *.tf files in current directory, and generate varibales.tf file, if you already have this file, it will ask to override it.
+
+### Example
+
+```text
+resource "aws_vpc" "vpc" {
+  cidr_block           = "${var.cidr}"
+  enable_dns_hostnames = "${var.enable_dns_hostnames}"
+  enable_dns_support   = "${var.enable_dns_support}"
+
+  tags {
+    Name = "${var.name}"
+  }
+}
+
+resource "aws_internet_gateway" "vpc" {
+  vpc_id = "${aws_vpc.vpc.id}"
+
+  tags {
+    Name = "${var.name}-igw"
+  }
+}
+```
+
+ Will generate
+
+ ```text
+ variable "ami" {
+   description  = ""
+}
+
+variable "instance_type" {
+   description  = ""
+}
+
+variable "cidr" {
+   description  = ""
+}
+
+variable "enable_dns_hostnames" {
+   description  = ""
+}
+
+variable "enable_dns_support" {
+   description  = ""
+}
+
+variable "name" {
+   description  = ""
+}
+ ```
+
+## Tests
+
+Run tests and linter
+
+```bash
+go test -v -race ./...
+golint -set_exit_status $(go list ./...)
+```