update index of workshops

Author: bqminh

doc/workshop/index.md

@@ -11,15 +11,17 @@ Throughout the year, members of IQ-TREE development team teach workshops on mole
 
 | Date |  Course Title | Location | Instructor |
 |------|---------------|----------------------------|-------------|
-| July 27-29, 2022 | [IQ-TREE workshop tutorial](sydney2022) | [13th Sydney Phylogenetics Workshop](https://meep.sydney.edu.au/workshops/), Online | Bui Quang Minh |
-| Aug 21-26, 2022 | Several sessions | [26th Bioinformatics Workshop on Virus Evolution and Molecular Epidemiology (VEME)](https://rega.kuleuven.be/cev/veme-workshop/2022), Panama | Heiko Schmidt |
+| May 26 - Jun 5, 2023 | [Workshop on Molecular Evolution](https://molevolworkshop.github.io) | Marine Biological Laboratory, Woods Hole, USA | Bui Quang Minh |
+| Aug 20-25, 2023 | [27th Bioinformatics Workshop on Virus Evolution and Molecular Epidemiology (VEME)](https://veme.climade.health/27th-international-bioinformatics-workshop-on-virus-evolution-and-molecular-epidemiology-veme/) | Stellenbosch, South Africa | Heiko Schmidt |
 
 ### Past Workshops
 
 IQ-TREE was taught as part of the following workshops:
 
 | Date |  Course Title | Location | Instructor |
 |------|---------------|----------------------------|-------------|
+| July 27-29, 2022 | [IQ-TREE workshop tutorial](sydney2022) | [13th Sydney Phylogenetics Workshop](https://meep.sydney.edu.au/workshops/), Online | Bui Quang Minh |
+| Aug 21-26, 2022 | Several sessions | [26th Bioinformatics Workshop on Virus Evolution and Molecular Epidemiology (VEME)](https://rega.kuleuven.be/cev/veme-workshop/2022), Panama | Heiko Schmidt |
 | May 28 - Jun 7, 2022 | [IQ-TREE Workshop](molevol2022) | [Workshop on Molecular Evolution](https://molevolworkshop.github.io), Marine Biological Laboratory, Woods Hole, USA | Bui Quang Minh |
 | Aug 30 - Sep 10, 2021 | Several sessions | [25th Bioinformatics Workshop on Virus Evolution and Molecular Epidemiology (VEME)](https://rega.kuleuven.be/cev/veme-workshop/2021), Brazil | Heiko Schmidt |
 | Jul 29-30, 2021 | IQ-TREE | [12th Sydney Phylogenetics Workshop](https://meep.sydney.edu.au/workshops/), Online, [slides from Github](https://github.com/simon-ho/SydneyPhyloWorkshop) | Bui Quang Minh |