fix broken links in earthworks/*.qmd files (#91)

Author: gregorywaynepower

content/tutorials/earthworks/basics.qmd

@@ -66,7 +66,7 @@ This tutorial covers:
 This tutorial can be run as a 
 [computational notebook](https://grass-tutorials.osgeo.org/content/tutorials/earthworks/basics.ipynb).
 Learn how to work with notebooks with the tutorial
-[Get started with GRASS & Python in Jupyter Notebooks](./../get_started/fast_track_grass_and_python.qmd).
+[Get started with GRASS & Python in Jupyter Notebooks](../get_started/fast_track_grass_and_python.qmd).
 :::
 
 # Setup

content/tutorials/earthworks/gullies.qmd

@@ -80,7 +80,7 @@ try the landscape evolution model
 This tutorial can be run as a 
 [computational notebook](https://grass-tutorials.osgeo.org/content/tutorials/earthworks/gullies.ipynb).
 Learn how to work with notebooks in the tutorial
-[Get started with GRASS & Python in Jupyter Notebooks](./../get_started/fast_track_grass_and_python.qmd).
+[Get started with GRASS & Python in Jupyter Notebooks](../get_started/fast_track_grass_and_python.qmd).
 :::
 
 # Setup

content/tutorials/earthworks/levees.qmd

@@ -63,7 +63,7 @@ This tutorial covers:
 This tutorial can be run as a 
 [computational notebook](https://grass-tutorials.osgeo.org/content/tutorials/earthworks/levees.ipynb).
 Learn how to work with notebooks in the tutorial
-[Get started with GRASS & Python in Jupyter Notebooks](./../get_started/fast_track_grass_and_python.qmd).
+[Get started with GRASS & Python in Jupyter Notebooks](../get_started/fast_track_grass_and_python.qmd).
 :::
 
 # Setup

content/tutorials/earthworks/synthesis.qmd

@@ -72,7 +72,7 @@ Terrain Synthesis
 This tutorial can be run as a 
 [computational notebook](https://grass-tutorials.osgeo.org/content/tutorials/earthworks/synthesis.ipynb).
 Learn how to work with notebooks with the tutorial
-[Get started with GRASS & Python in Jupyter Notebooks](./../get_started/fast_track_grass_and_python.qmd).
+[Get started with GRASS & Python in Jupyter Notebooks](../get_started/fast_track_grass_and_python.qmd).
 :::
 
 # Setup