add completed topics

docs/completed.md

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+---
+layout: default
+title: "Completed theses"
+has_toc: true
+nav_order: 3
+---
+
+# Completed theses
+{: .no_toc }
+
+Theses for the following topics have been completed or are close to completion:
+
+
+## Bachelor's theses
+
+- Towards more efficient literature searches: Design of an open source query translator ([link](https://github.com/CoLRev-Environment/search-query))
+- Automated literature pre-screening in systematic reviews: Design and evaluation of machine learning classifiers
+- Remote work and mental health: A qualitative systematic review
+- Artificial Intelligence and Changes in Associated Skill Requirements Across Industry Sectors
+- The state of artificial intelligence in personal information management – A scoping review
+
+## Master's theses
+
+- Societal impact of telecommuting: A review of prior works
+- Make behavioral change stick with chatbot interventions – An overview of systematic reviews

docs/process.md

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 layout: default
 title: "Process"
 has_toc: true
-nav_order: 3
+nav_order: 4
 ---
 
 # Process