Add some examples (#20)

* Try first example with GP docs

* Need to remove GP docs as explicit dependency

* Cleanup

* Show different kernels

* Try to reduce size of rendered notebook

* Another try, now with png setting

* Try with DisplayAs

* Adjust filtering

* Change filter

* One more small change

* Now hiding without the space

* Small tooltip change and first part of feature functions script

* Forgot to add literate

* Move some text, add DisplayAs

* Forgot to remove a package

* More code I forgot....

* Small text changes

* Forgot AbstractGPsMakie, smaller rewrites

* Add kernel trick

* Add comparison

* Comparison plot

* Small updates, attempt at linking

* Small tweaks

* Try named refs

* Explicit order and small doc changes

* prior GP example

* Changing headers

* Some formatting changes

* Change printing

* Some minor format changes

* Final edits

* Try different eval function

* Full transition of result printing

Author: Crown421

docs/.gitignore

@@ -0,0 +1,3 @@
+build/
+site/
+src/examples/