Generate scores for share of topics across publications and patents

[emily-bicks]

• [x] tag documents with topics at each level
• [ ] absolute counts of topics
• [ ] proportions of topics
• [ ] focus on specific areas - manual search for topics that have things like ML/AI, and look at the composition of those
• [ ] compare institutions of who is completing that work in publications vs. patents
• [ ] analyse co-occurance of topics