Adding Tetiana Mazurets to _profiles (#1465)

* Create tetiana_mazurets.md

First pasting of the template

* Update tetiana_mazurets.md

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_profiles/tetiana_mazurets.md

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+---
+# Required:
+title: "Tetiana Mazurets"     # first (middle) last
+country: Ukraine              # your country of residence (2 capital letters, e.g. US, GB, DE)
+
+# Optional (please add github or gravatar for your picture)
+github: tetianmaz      # your github ID (not full url)
+gravatar:              # your gravatar ID (the hex hash of your email, something like 123ef...123)
+homepage:              # your personal homepage (full url)
+twitter:               # your twitter ID (not full URL, no leading '@')
+gitlab: tmazuret       # your gitlab ID (not full URL)
+bitbucket:             # your bitbucket ID (not full URL)
+orcid:                 # your orcid ID (not full URL)
+linkedin:              # your linkedin ID (not full url, i.e. the last bit of the url to your profile)
+email: [email protected]
+
+# Training WG
+training_roles: [mentor]              # subset of [instructor, mentor, facilitator, author], can stay empty ([])
+training_years: [2023]              # in which years did you help out? (e.g. [2020, 2019])
+
+# Don't modify the following setting
+layout: educator
+---
+
+<!-- Optional: Write something about yourself below this comment. Markdown styling is supported. -->