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/configs/fastfetch.jsonc

@@ -0,0 +1,61 @@
+{
+    "$schema": "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json",
+    "logo": {
+        "type": "none"
+    },
+    "display": {
+        "separator": " ➜  ",
+        "color": {
+            "keys": "magenta",
+            "title": "cyan"
+        }
+    },
+    "modules": [
+        "title",
+        "separator",
+
+        {"type": "os",       "key": "󰣚 Système  ", "keyColor": "magenta"},
+        {"type": "kernel",   "key": " Kernel   ", "keyColor": "magenta"},
+        {"type": "shell",    "key": " Shell    ", "keyColor": "magenta"},
+        {"type": "terminal", "key": " Terminal ", "keyColor": "magenta"},
+        {"type": "wm",       "key": " Bureau   ", "keyColor": "magenta"},
+        {"type": "packages", "key": "󰏖 Paquets  ", "keyColor": "magenta"},
+
+        "break",
+
+        {"type": "cpu",     "key": "󰻠 CPU      ", "keyColor": "magenta"},
+        {
+            "type": "gpu",
+            "key":  "󰍛 GPU      ",
+            "keyColor": "magenta",
+            "hideTypes": ["Integrated"]
+        },
+        {
+            "type": "display",
+            "key":  "󰹆 Écran    ",
+            "keyColor": "magenta",
+            "format": "{width}x{height} @ {refresh-rate}Hz"
+        },
+        {"type": "memory",    "key": "󰑭 Mémoire  ", "keyColor": "magenta"},
+        {
+            "type": "disk",
+            "key":  "󰋊 Disque   ",
+            "keyColor": "magenta",
+            "folders": "/"
+        },
+        {"type": "processes", "key": "󰙲 Processus", "keyColor": "magenta"},
+        {"type": "uptime",    "key": "󰅐 Uptime   ", "keyColor": "magenta"},
+
+        "break",
+
+        {
+            "type": "media",
+            "key":  " Musique  ",
+            "keyColor": "magenta",
+            "format": "{artist} — {title}"
+        },
+
+        "break",
+        "colors"
+    ]
+}