Update workflow configuration and replace Altair with Matplotlib for signal visualizations

matplotlibrc

@@ -0,0 +1,43 @@
+lines.linewidth: 3
+
+font.family: Fira Code
+
+image.cmap: inferno
+
+axes.linewidth: 1
+axes.grid: True
+axes.grid.which: major
+axes.titlelocation: right
+axes.titleweight: 700
+axes.axisbelow: True
+
+axes.prop_cycle: cycler(color=["#4269d0","#efb118","#ff725c","#6cc5b0","#3ca951","#ff8ab7","#a463f2","#97bbf5","#9c6b4e","#9498a0"])
+
+axes.formatter.use_locale: True
+
+grid.color: "#bebebe"
+grid.linewidth: 1
+grid.alpha: 1
+
+hatch.linewidth: 8
+hatch.color: "#00000013"
+
+boxplot.showmeans: true
+boxplot.meanprops.markeredgecolor: "k"
+boxplot.meanprops.marker: "+"
+boxplot.flierprops.markerfacecolor: C0
+boxplot.medianprops.color: C0
+
+figure.figsize: 8, 4.5
+figure.dpi: 96
+figure.constrained_layout.use: True
+
+xtick.direction: in
+xtick.major.size: 4
+xtick.minor.size: 2
+
+ytick.direction: in
+ytick.major.size: 4
+ytick.minor.size: 2
+
+savefig.format: pdf