Fix links in README.md

Author: lorenzoh

README.md

@@ -37,9 +37,9 @@ or try it out with this [Google Colab template](https://colab.research.google.co
 
 To dive in, you may be interested in
 
-- an [overview of the high-level API](https://fluxml.ai/FastAI.jl/dev/i/?id=documents%2Fdocs%2Fintroduction.md),
-- seeing some [example learning tasks](https://fluxml.ai/FastAI.jl/dev/i/?id=documents%2Fnotebooks%2Fquickstart.ipynb),
-- finding out [how you can search for and find datasets and other functionality](https://fluxml.ai/FastAI.jl/dev/i/?id=documents%2Fdocs%2Fdiscovery.md); or
+- an [overview of the high-level API](https://fluxml.ai/FastAI.jl/dev/documents%2Fdocs%2Fintroduction.md),
+- seeing some [example learning tasks](https://fluxml.ai/FastAI.jl/dev/documents%2Fnotebooks%2Fquickstart.ipynb),
+- finding out [how you can search for and find datasets and other functionality](https://fluxml.ai/FastAI.jl/dev/documents%2Fdocs%2Fdiscovery.md); or
 - [our contributor guide](CONTRIBUTING.md)
 
 ## Get in touch