Arangoflix notebooks (#79)

* adds arangflix notebooks * adjusts tutorialNames * adds colab links to readme and small fixes * Alphabetizes

Author: cw00dw0rd

README.md

@@ -19,6 +19,12 @@ In addition to the notebooks listed in the following section, we have example ma
 * [ArangoML Pipeline](https://github.com/arangoml/arangopipe/tree/master/examples)
 * [ArangoDB NetworkX Adapter](https://github.com/arangoml/networkx-adapter)
  * [Getting Started Notebook](https://colab.research.google.com/github/arangoml/networkx-adapter/blob/master/examples/ArangoDB_NetworkX_Adapter.ipynb)
+* ArangoFlix: Movie Recommendations [Demo available on Oasis](https://cloud.arangodb.com/)
+ * [Collaborative Filtering with AQL](https://colab.research.google.com/github/arangodb/interactive_tutorials/blob/master/notebooks/arangoflix/recommend_movie_collaborative_filtering_aql.ipynb)
+ * [Content-based Recommendations with ArangoSearch and TFIDF](https://colab.research.google.com/github/arangodb/interactive_tutorials/blob/master/notebooks/arangoflix/similarMovie_TFIDF_AQL_Inference.ipynb)
+ * [Content-based Recommendations with FAISS, TFIDF, and Python](https://colab.research.google.com/github/arangodb/interactive_tutorials/blob/master/notebooks/arangoflix/similarMovie_TFIDF_ML_Inference.ipynb)
+ * [Graph Neural Networks with PyTorch](https://colab.research.google.com/github/arangodb/interactive_tutorials/blob/master/notebooks/arangoflix/predict_Movie_Rating_GNN.ipynb)
+ * [Matrix Factorization](https://colab.research.google.com/github/arangodb/interactive_tutorials/blob/master/notebooks/arangoflix/similarMovie_MF_ML_Inference.ipynb)
 
 
 ### ArangoDB