[Feat][Doc] Add #spark and #pyspark tags to the repository description

[SemyonSinchenko]

Is your feature request related to a problem? Please describe.
Sometimes it is useful to check github repositories by tag. Foe example, I'm using spark/pyspark tags (topics) to follow the recent development in Spark/PySpark ecosystem.

Describe the solution you'd like
Tags spark and pyspark are added here:

Describe alternatives you've considered
?

Additional context
?

[acezen]

good suggestion, the tags has been added