remove spurious directories

quarto/_quarto.yml

@@ -1,4 +1,4 @@
-version: 0.2
+version: 0.3
 
 project:
   type: book
@@ -43,12 +43,14 @@ book:
         - precalc/exp_log_functions.qmd
         - precalc/trig_functions.qmd
         - precalc/julia_overview.qmd
+
     - part: "Limits"
       chapters:
         - limits/limits.qmd
         - limits/limits_extensions.qmd
         - limits/continuity.qmd
         - limits/intermediate_value_theorem.qmd
+
     - part: "Derivatives"
       chapters:
         - derivatives/derivatives.qmd
@@ -65,6 +67,7 @@ book:
         - derivatives/implicit_differentiation.qmd
         - derivatives/related_rates.qmd
         - derivatives/taylor_series_polynomials.qmd
+
     - part: "Integrals"
       chapters:
         - integrals/area.qmd
@@ -79,12 +82,14 @@ book:
         - integrals/volumes_slice.qmd
         - integrals/arc_length.qmd
         - integrals/surface_area.qmd
+
     - part: "ODEs"
       chapters:
         - ODEs/odes.qmd
         - ODEs/euler.qmd
         - ODEs/solve.qmd
         - ODEs/differential_equations.qmd
+
     - part: "Differential vector calculus"
       chapters:
         - differentiable_vector_calculus/polar_coordinates.qmd
@@ -102,13 +107,15 @@ book:
         - integral_vector_calculus/div_grad_curl.qmd
         - integral_vector_calculus/stokes_theorem.qmd
         - integral_vector_calculus/review.qmd
+
     - part: "Alternatives"
       chapters:
         # - alternatives/symbolics.qmd
         # - alternatives/sciML.qmd
         # - alternatives/interval_arithmetic.qmd
         - alternatives/plotly_plotting.qmd
-        # - alternatives/makie_plotting.qmd
+        - alternatives/makie_plotting.qmd
+
     - part: "Appendices"
       chapters:
         - misc/getting_started_with_julia.qmd