remove sshkey heroscripts and add production field

Reviewed-on: #149

CODEOWNERS

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+* @despiegk @mik-tf @gosam @scott

README.md

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-# INFO for TFGrid
+<h1> TFGrid Docs</h1>
 
-> todo: kristof some content does not belong here, move to other repo
+<h2>Table of Contents</h2>
 
-## To preview new changes on local browser
+- [Overview](#overview)
+- [Basic Hero mdBook Commands](#basic-hero-mdbook-commands)
+- [Install and Use Hero](#install-and-use-hero)
+- [Create a New mdBook](#create-a-new-mdbook)
+- [Use Hero with Docker](#use-hero-with-docker)
+- [Contribute](#contribute)
+  - [Branches and Forks](#branches-and-forks)
+  - [Overview](#overview-1)
+  - [Content Update Procedure](#content-update-procedure)
 
-1. Pull new changes from local
+## Overview
 
-(please make sure commit / save your local changes first )
+This repository contains TFGrid docs in the form of mdbooks generated with the [Hero](https://github.com/freeflowuniverse/crystallib/tree/development/cli/hero) tool.
 
-hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/nameofyourbook -gp
+To see the whole list of books, check the [heroscript directory](https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript).
 
-2. Build the book locally
+## Basic Hero mdBook Commands
 
-hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/nameofyourbook
+Once Hero is set on your machine, you can run the following commands to preview mdbooks on your local browser:
 
-3. Preview on web browser
+- Pull new changes
+    ```
+    hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/nameofyourbook -gp
+    ```
 
-hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/nameofyourbook -o
+- Build the book
+    ```
+    hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/nameofyourbook
+    ```
+- Preview on a web browser
+    ```
+    hero mdbook -u https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/heroscript/nameofyourbook -o
+    ```
+
+> Note: You can use -p instead of -u and set a path to your heroscript directory, as explained in the [docs](https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/docs).
+
+## Install and Use Hero
+
+install hero as follows
+
+```bash
+curl https://raw.githubusercontent.com/freeflowuniverse/crystallib/development/scripts/installer_hero.sh | bash /tmp/hero_install.sh
+```
+
+you can also do it on a VM (experts only)
+
+To install and use Hero on a full VM running on the grid, read the [full VM guide](https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/docs/hero_mdbook_fullvm.md).
+
+## Create a New mdBook 
+
+To create a new mdbook, read the [mdbook creation guide](https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/docs/hero_create_mdbook.md).
+
+## Use Hero with Docker
+
+You can use Hero with Docker. Read the docs [here](https://git.ourworld.tf/tfgrid/info_tfgrid/src/branch/main/docs/hero_mdbook_docker.md).
+
+## Contribute
+
+To optimize updates to this repository, we propose a uniform way to collaborate.
+
+### Branches and Forks
+
+To contribute to this repository, make a pull request of your changes. There are two main methods.
+
+1. Fork the repository and make a pull requests with your changes
+2. If you have access, create a new branch in this repo and make a pull request with your changes
+
+### Overview
+
+- The production-ready content is published on the **main** branch
+- The staging content is published on the **development** branch
+- Any changes to development must go through a pull request (PR) and its associated review from a different branch with the prefix `development_`. 
+  - The name of the branch should indicate the work being done, e.g. working on the readme, `development_readme_work`
+- Once staging is done on development, the code owners will merge development branch to main branch.
+  - The mdbooks will be updated online.
+
+### Content Update Procedure
+
+- Create new branch out of development (e.g. `development_work`)
+- Make changes to the files
+- Make a PR to merge to development
+  - Get reviewed and adjust accordingly
+- PR is approved and the content is merged to development
+- Code owners will merge development to main to update the books online

_archive/technology/concepts/img/.done

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+tft.png