📖 Update docs links

Our documentation has had an overhaul, and some of the URLs have changed. This updates the links to be correct according to the latest version of the docs.

README.md

@@ -37,7 +37,7 @@ Other options are also available if you prefer playing around with servers by yo
 
 If you are developing a Ghost theme for your own site or creating themes for others to use we recommend installing Ghost on your own local machine. Luckily we have a brand new Ghost CLI to make this really easy 😄
 
-- [Installing Ghost via the CLI](https://docs.ghost.org/v1.0.0/docs/installing-ghost-via-the-cli)
+- [Installing Ghost via the CLI](https://docs.ghost.org/v1.0.0/docs/install-local)
 - [Theme Developer Docs](http://themes.ghost.org)
 
 
@@ -52,7 +52,7 @@ For anyone wishing to contribute to Ghost or to hack/customise core files we rec
 
 # Staying Up to Date
 
-When a new version of Ghost comes out, you'll want to look over these [upgrade instructions](https://docs.ghost.org/v1.0.0/docs/how-to-upgrade-ghost) for what to do next.
+When a new version of Ghost comes out, you'll want to look over these [upgrade instructions](https://docs.ghost.org/v1.0.0/docs/upgrade) for what to do next.
 
 You can talk to other Ghost users and developers in our [public Slack team](https://ghost.org/slack/) (it's pretty awesome).