Fixing mistake in docs

Summary: I noticed there was a mismatch between the diagrams and the code samples--Resolved.

Differential Revision: D87924557

fbshipit-source-id: e49c7fc633891a6d340808eca1a375f95e83616f

Author: saadhzahid

Sources/QuickLayout/docs/docs/layout/grid.mdx

@@ -99,12 +99,12 @@ Row alignment overrides the vertical alignment for every view in a row. This is
 ```swift
 var body: Layout {
   Grid {
-    GridRow {
+    GridRow(alignment: .top) {
       view1
       view2
       view3
     }
-    GridRow(alignment: .bottom) {
+    GridRow {
       view4
       view5
       view6
@@ -133,10 +133,6 @@ var body: Layout {
       view3
       view4
     }
-    GridRow {
-      view5
-      view6
-    }
   }
 }
 ```