Update ReadMe with video link

ReadMe.md

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 # Example Comics Database with simdjson
 
+Sample code for the video [Parsing JSON at Gigabytes per Second with simdjson](https://www.youtube.com/watch?v=vd9J9PPmAMM)
+
 # Obtaining the Sample Data
 
 The sample data can be obtained from the [Grand Comics Database download page](https://www.comics.org/download/).
 Select the "Name-Value Dump" and then run the gcd-to-json tool in the example code to convert the data to JSON.
+
+[Utah C++ Programmers](https://meetup.com/utah-cpp-programmers)\
+[Past Topics](https://utahcpp.wordpress.com/past-meeting-topics/)\
+[Future Topics](https://utahcpp.wordpress.com/future-meeting-topics/)