refactor(bruno): reorganize file structure from bruno-yaml to flat bruno directory

- Move all files from bruno-yaml/* to bruno/*
- Maintains existing directory structure within categories
- Updates bruno/user/auth files with OAuth2 refresh token flow
- Updates bruno/user/profile files for user profile management
- Adds bruno/dashboard/ directory with dashboard API tests
- Preserves all existing test scenarios and OpenCollection YAML format
- No functional changes - file reorganization only

bruno/user/profile/Update Password.yml

@@ -0,0 +1,37 @@
+info:
+  name: Update Password
+  type: http
+  seq: 3
+http:
+  method: PUT
+  url: '{{base_url}}/api/auth/password'
+  auth: inherit
+  body:
+    type: json
+    jsonBody: "{\n    \"current_password\": \"password123\",\n    \"new_password\"\
+      : \"newpassword123\",\n    \"confirm_password\": \"newpassword123\""
+
+docs: |-
+  ## Update Password
+    
+    Updates the authenticated user's password.
+    
+    **Method:** PUT
+    
+     **Endpoint:** /api/auth/password
+    
+    **Authentication:** Required
+    
+    **Request Body:**
+    - `current_password` (string, required): Current password for verification
+    - `new_password` (string, required): New password (minimum 6 characters)
+    - `confirm_password` (string, required): Confirmation of new password
+    
+    **Response:**
+    - `message` (string): Success message
+    
+    **Status Codes:**
+    - 200: Success
+    - 400: Password validation failed
+    - 401: Current password incorrect
+    - 401: Unauthorized