v1.1.0 - update to tutorials for alignment with Pyleoclim

What's Changed

• Correct typo in spectral analysis Notebook by @tomarney in #74
• Update L2_principal_component_analysis.ipynb with how to change the size of the markers on a map by @khider in #77
• Corr updates by @CommonClimate in #80
• Adding time_semantics tutorial by @tanaya-g in #78

New Contributors

• @tomarney made their first contribution in #74
• @tanaya-g made their first contribution in #78

Full Changelog: v1.0.0...v1.1.0