Initial import: chezmoi source for CachyOS + Umbriel + Noctalia

Imported from prdlk/dotfiles master (efdd827). Drops the niri, Hyprland/Omarchy,
macOS, and Blume docs-site layers; docs/ is plain Markdown.

.claude/settings.json

@@ -0,0 +1,26 @@
+{
+  "hooks": {
+    "PreCompact": [
+      {
+        "hooks": [
+          {
+            "command": "bd prime",
+            "type": "command"
+          }
+        ],
+        "matcher": ""
+      }
+    ],
+    "SessionStart": [
+      {
+        "hooks": [
+          {
+            "command": "bd prime",
+            "type": "command"
+          }
+        ],
+        "matcher": ""
+      }
+    ]
+  }
+}