ISSUE-125 | add --skip-validation flag to documentation (#132)

* ISSUE-125 Added --skip-validation to <leverage terraform init> lines when there is no S3 set yet

Author: juanmatias

docs/first-steps/management-account.md

@@ -22,7 +22,7 @@ cd management
 Move into the `us-east-1/base-tf-backend` directory and run:
 
 ``` bash
-leverage terraform init
+leverage terraform init --skip-validation
 leverage terraform apply
 ```
 

docs/first-steps/security-and-shared-accounts.md

@@ -17,7 +17,7 @@ cd security
 Move into the `us-east-1/base-tf-backend` directory and run:
 
 ``` bash
-leverage terraform init
+leverage terraform init --skip-validation
 leverage terraform apply
 ```
 
@@ -85,7 +85,7 @@ cd shared
 Move into the `us-east-1/base-tf-backend` directory and run:
 
 ``` bash
-leverage terraform init
+leverage terraform init --skip-validation
 leverage terraform apply
 ```
 

docs/user-guide/ref-architecture-aws/tf-state-workflow.md

@@ -35,7 +35,7 @@ Terraform modules registry, accessed December 3rd 2020).
 !!! example "Steps to initialize your tf-backend"
     1. At the corresponding account dir, 
       eg: [/shared/base-tf-backend](https://github.com/binbashar/le-tf-infra-aws/tree/master/shared/us-east-1/base-tf-backend) then,
-    2. Run `leverage terraform init`
+    2. Run `leverage terraform init --skip-validation`
     3. Run `leverage terraform plan`, review the output to understand the expected changes
     4. Run `leverage terraform apply`, review the output once more and type `yes` if you are okay with that
     5. This should create a `terraform.tfstate` file in this directory but we don't want to push that to the repository so 
@@ -52,4 +52,4 @@ Terraform modules registry, accessed December 3rd 2020).
 
 ## Expected workflow after set up 
 :warning: this tape must be updated
-[![asciicast](https://asciinema.org/a/377220.svg)](https://asciinema.org/a/377220)
+[![asciicast](https://asciinema.org/a/377220.svg)](https://asciinema.org/a/377220)