docs: Update README.md links to docs (#958)

* (docs): Update README.md links to docs

* Update README.md

Co-authored-by: Ryan Christoffersen <12519942+ryanchristo@users.noreply.github.com>

README.md

@@ -17,7 +17,7 @@ A distributed ledger for ecology built on top of the
 
 ## Getting Started
 
-See [Get Started](https://docs.regen.network/getting-started) for instructions on how to run a single node network on your local machine. For instructions on how to run a full node or validator node on a live network, see [Running a Full Node](https://docs.regen.network/getting-started/running-a-full-node) or [Running a Validator](https://docs.regen.network/getting-started/running-a-validator).
+See [Get Started](https://docs.regen.network/ledger/get-started/) for instructions on how to run a single node network on your local machine. For instructions on how to run a full node and create a validator on a live network, see [Running a Full Node](https://docs.regen.network/validators/get-started/run-a-full-node.html) and [Create a Validator](https://docs.regen.network/validators/get-started/create-a-validator.html).
 
 ## Core Features