Initial commit — violet-chaton ricing setup

Environnement terminal complet aux couleurs violet-chaton pour Pop!_OS / Ubuntu avec COSMIC Desktop.
Inclut scripts d'installation, configs shell, thèmes et support COSMIC/Vivaldi/Vesktop.

INSTALL/themes/violet-chaton-cava.conf

@@ -0,0 +1,34 @@
+[general]
+framerate = 60
+autosens = 1
+sensitivity = 100
+bars = 0
+bar_width = 2
+bar_spacing = 1
+
+[input]
+method = pipewire
+source = auto
+
+[output]
+method = noncurses
+channels = stereo
+mono_option = average
+reverse = 0
+
+[color]
+# background commenté = transparent
+gradient = 1
+gradient_color_1 = '#ff79c6'
+gradient_color_2 = '#f079d8'
+gradient_color_3 = '#e079ea'
+gradient_color_4 = '#e79cfe'
+gradient_color_5 = '#c0b0fe'
+gradient_color_6 = '#99c4fe'
+gradient_color_7 = '#8bd4fe'
+gradient_color_8 = '#8be9fd'
+
+[smoothing]
+monstercat = 1
+waves = 0
+noise_reduction = 77