Added base markdown file
Added the first code block for RSA key creation
Update README.md
Added the import key codeblock
Merge branch 'repository-tools' of github.com:SantiagoTorres/tuf into repository-tools
Added the root metadata codeblock
Added the targets,root and timestamp metadata codeblock
added the "add target" codeblock/section
Added the "remove targets" section and codeblock
added the "create a delegated role" codeblock
Added the "Revoke Delegated Role" codeblock/section
Added the diagram in the beginning
Update README.md

fixed the broken link for the image
Added the client-side codeblocks and section
Merge branch 'repository-tools' of github.com:SantiagoTorres/tuf into repository-tools
Merge pull request #134 from SantiagoTorres/repository-tools

Add documentation for repository tools