Fixing broken references in docs (open-edge-platform#172)

Author: sgolebiewski-intel

docs/developer-guide/emt-get-started.md

@@ -88,7 +88,7 @@ outlines the key differences between those.
 
 ## Next Steps
 
-- [System Requirements](./introduction)
+- [System Requirements](./emt-system-requirements.md)
 - [Production Deployment with Edge Manageability Framework](./emt-deployment-edge-orchestrator.md)
 
 :::{toctree}

docs/developer-guide/get-started/emt-building-howto.md

@@ -307,7 +307,7 @@ please raise a PR and work with a code owner to upload the source tarball to pac
 make build-packages # to rebuild the packages
 ```
 
-Follow the steps under [Customizing an image](./emt-building-howto.md#Customizing-an-Image) to create
+Follow the steps under [Customizing an image](./emt-building-howto.md#customizing-an-image) to create
 an image with your new package.
 
 **Uploading the archive**