feat(cloud_firestore_odm): Add support for DateTime/Timestamp

packages/cloud_firestore_odm/cloud_firestore_odm/example/.metadata

@@ -1,10 +1,42 @@
 # This file tracks properties of this Flutter project.
 # Used by Flutter tool to assess capabilities and perform upgrades etc.
 #
-# This file should be version controlled and should not be manually edited.
+# This file should be version controlled.
 
 version:
-  revision: 18116933e77adc82f80866c928266a5b4f1ed645
-  channel: stable
+  revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+  channel: dev
 
 project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+      base_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+    - platform: android
+      create_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+      base_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+    - platform: ios
+      create_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+      base_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+    - platform: macos
+      create_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+      base_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+    - platform: web
+      create_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+      base_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+    - platform: windows
+      create_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+      base_revision: 8662e22bac54c71bc4fa5a4f37e9ee80bfd08a4e
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

packages/cloud_firestore_odm/cloud_firestore_odm/example/build.yaml

@@ -0,0 +1,23 @@
+targets:
+  $default:
+    builders:
+      cloud_firestore_odm_generator:
+        enabled: true
+        generate_for:
+          include:
+            - lib/*
+            - lib/**
+            - test_driver/integration/*
+            - test_driver/integration/**/*
+      json_serializable:
+        enabled: true
+        generate_for:
+          include:
+            - lib/*
+            - lib/**
+            - test_driver/integration/*
+            - test_driver/integration/**/*
+      source_gen|combining_builder:
+        options:
+          ignore_for_file:
+            - 'type=lint'