Add .obisidan so we can share between machines.

content/.obsidian/hotkeys.json

@@ -0,0 +1,20 @@
+{
+  "omnisearch:show-modal": [
+    {
+      "modifiers": [
+        "Mod",
+        "Shift"
+      ],
+      "key": "O"
+    }
+  ],
+  "editor:toggle-source": [
+    {
+      "modifiers": [
+        "Mod"
+      ],
+      "key": "S"
+    }
+  ],
+  "editor:save-file": []
+}