Update README.md installation links

Links for installation were outdated, I just replaced them for the orking ones.

README.md

 # For common users:
-Follow the instructions [here](https://docs.librephotos.com/1/standard_install/)
+Follow the instructions [here](https://docs.librephotos.com/docs/installation/standard-install)
 
 # For developers:
-Follow the instructions [here](https://docs.librephotos.com/1/dev_install/)
+Follow the instructions [here](https://docs.librephotos.com/docs/development/dev-install)
 
 # To use your own container names:
 Follow the normal instructions as per your chosen build, but after updating the `.env` file to choose your container names, run