Clean up paper/file system wallet docs (#9340)

* Add filesystem wallet page

* Move validator paper wallet instructions to validator page

* Remove paper wallet staking section

* Add steps for multiple fs and paper wallets

* Add keypair convention page and better multi-wallet example

docs/src/cli/README.md

@@ -9,3 +9,10 @@ known as the CLI. We use the command-line because it is the first place the
 Solana core team deploys new functionality. The command-line interface is not
 necessarily the easiest to use, but it provides the most direct, flexible, and
 secure access to your Solana accounts.
+
+## Getting Started
+To get started using the Solana Command Line (CLI) tools:
+ - [Install the Solana Tools](install-solana-cli-tools.md)
+ - [Choose a Cluster](choose-a-cluster.md)
+ - [Create a Wallet](../wallet/cli-wallets.md)
+ - [Check out our CLI conventions](conventions.md)