modify file format

docs/source/manual/file_formats/reference_file.rst

@@ -19,58 +19,58 @@ Date: Mon Sep  9 16:41:53 2024
 #the instance names are given during netlist generation
 
   references:
-    - module: grid_io_top
-        count: 1
-        instances:
-          - grid_io_top_1__2_
-    - module: grid_io_right
-        count: 1
-        instances:
-          - grid_io_right_2__1_
-    - module: grid_io_bottom
-        count: 1
-        instances:
-          - grid_io_bottom_1__0_
-    - module: grid_io_left
-        count: 1
-        instances:
-          - grid_io_left_0__1_
-    - module: grid_clb
-        count: 1
-        instances:
-          - grid_clb_1__1_
-    - module: sb_0__0_
-        count: 1
-        instances:
-          - sb_0__0_
-    - module: sb_0__1_
-        count: 1
-        instances:
-          - sb_0__1_
-    - module: sb_1__0_
-        count: 1
-        instances:
-          - sb_1__0_
-    - module: sb_1__1_
-        count: 1
-        instances:
-          - sb_1__1_
-    - module: cbx_1__0_
-        count: 1
-        instances:
-          - cbx_1__0_
-    - module: cbx_1__1_
-        count: 1
-        instances:
-          - cbx_1__1_
-    - module: cby_0__1_
-        count: 1
-        instances:
-          - cby_0__1_
-    - module: cby_1__1_
-        count: 1
-        instances:
-          - cby_1__1_
+    + module: grid_io_top
+      count: 1
+      instances:
+        - grid_io_top_1__2_
+    + module: grid_io_right
+      count: 1
+      instances:
+        - grid_io_right_2__1_
+    + module: grid_io_bottom
+      count: 1
+      instances:
+        - grid_io_bottom_1__0_
+    + module: grid_io_left
+      count: 1
+      instances:
+        - grid_io_left_0__1_
+    + module: grid_clb
+      count: 1
+      instances:
+        - grid_clb_1__1_
+    + module: sb_0__0_
+      count: 1
+      instances:
+        - sb_0__0_
+    + module: sb_0__1_
+      count: 1
+      instances:
+        - sb_0__1_
+    + module: sb_1__0_
+      count: 1
+      instances:
+        - sb_1__0_
+    + module: sb_1__1_
+      count: 1
+      instances:
+        - sb_1__1_
+    + module: cbx_1__0_
+      count: 1
+      instances:
+        - cbx_1__0_
+    + module: cbx_1__1_
+      count: 1
+      instances:
+        - cbx_1__1_
+    + module: cby_0__1_
+      count: 1
+      instances:
+        - cby_0__1_
+    + module: cby_1__1_
+      count: 1
+      instances:
+        - cby_1__1_
 
 In this example, the parent module is ``fpga_top``.
 The child modules under ``fpga_top`` are ``grid_io_top``, ``grid_io_right``, and etc.