Update logos for VirtualShip (#166)

* add sphinx makefiles

* Creating new logos

---------

Co-authored-by: Vecko <36369090+VeckoTheGecko@users.noreply.github.com>

Author: erikvansebille

docs/_static/virtual_ship_logo.png

@@ -32,9 +32,8 @@
 
 html_theme_options = {
     "logo": {
-        "text": "Virtual Ship Parcels",
-        "image_light": "virtual_ship_logo_no_text.png",
-        "image_dark": "virtual_ship_logo_inverted_no_text.png",
+        "image_light": "virtual_ship_logo.png",
+        "image_dark": "virtual_ship_logo_inverted.png",
     },
     "use_edit_page_button": True,
     "github_url": "https://github.com/OceanParcels/virtualship",