Document new library pages value and powersync_core dep (#187)

Author: benitav

images/integration-guides/flutterflow/powersync-core.png

@@ -123,11 +123,17 @@ This guide walks you through building a basic item management app from scratch a
         <img src="/images/integration-31.avif" />
       </Frame>
       2. Copy and paste the generated schema into the "PowerSyncSchema" field.
-   3. Copy and paste your PowerSync instance URL into the "PowerSyncURL" field.
-   <Frame>
-     <img src="/images/integration-guides/flutterflow/powersync-library-config.png" />
-   </Frame>
-   4. Close the library config.
+   3. Copy and paste your PowerSync instance URL into the "PowerSyncUrl" field.
+    <Frame>
+      <img src="/images/integration-guides/flutterflow/powersync-library-config.png" />
+    </Frame>
+   4. Note: The default path for the "HomePage" field under "Library Pages" can be left as is and ignored. FlutterFlow does not currently provide a way to remove it.
+   5. Close the library config.
+5. Under **"Custom Pub Dependencies"**, add a dependency on `powersync_core:1.3.0`:
+  <Frame>
+    <img src="/images/integration-guides/flutterflow/powersync-core.png" />
+  </Frame>
+  This version of `powersync_core` is required for running FlutterFlow on Web.
 
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