feat(obsidian): add appearance.json with Ubuntu Mono font configuration

.gitignore

@@ -2,12 +2,10 @@ node_modules
 site
 tmp
 manifest.*
-.obsidian/appearance.json
-.obsidian/graph.json
 .obsidian/workspace.json
 odoo/charts
 prometheus-agent/charts
 .env
 values
 *.kubeconfig
-pnpm-workspace.yaml
+pnpm-workspace.yaml

.obsidian/appearance.json

@@ -0,0 +1,5 @@
+{
+  "interfaceFontFamily": "Ubuntu Mono",
+  "textFontFamily": "Ubuntu Mono",
+  "monospaceFontFamily": "Ubuntu Mono"
+}