Add some personal obsidian configs

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/user/configs/gui/obsidian/.stignore

@@ -1,13 +1,4 @@
-// Declared
-*/.obsidian/app.json
-*/.obsidian/appearance.json
-*/.obsidian/core-plugins*.json
-*/.obsidian/snippets
+!*/.obsidian/bookmarks.json
 
-// Dynamic
-*/.obsidian/graph.json
-*/.obsidian/workspace.json
-*/.obsidian/workspace-mobile.json
-
-// Android
+*/.obsidian
 .nomedia