Calculation of monthly core metrics related to reading activity including page interactions (pageviews and seen previews) and unique devices

• Files in the queries directory includes the queries used for fetching the data.
• Files in the figures directory include the current graphs produced during the analysis
• 01_interactions_metrics.md contains the analysis for calculating monthly interactions (pageviews and see previews).
• 02-unique_devices.md contains the analysis for calculating the total unique devices each month.
• 03_diversity_metrics.md contains the analysis for calculating interactions for identified global south wikis and mobile-heavy wikis.