add field functinallity

Assets/Items/Apple.asset

@@ -9,11 +9,11 @@ MonoBehaviour:
   m_GameObject: {fileID: 0}
   m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 00ac127aa1678874aa5c9f1381b6b47a, type: 3}
+  m_Script: {fileID: 11500000, guid: 01eac50f7d5dd124e94a48f3e4428435, type: 3}
   m_Name: Apple
   m_EditorClassIdentifier: 
-  uuid: apple
+  uuid: harvest_apple
   itemName: Apple
-  sprite: {fileID: -992969038, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
+  sprite: {fileID: 0}
   stackable: 1
   maxStackSize: 100

Assets/Items/Banana.asset

@@ -1,19 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!114 &11400000
-MonoBehaviour:
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-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: 00ac127aa1678874aa5c9f1381b6b47a, type: 3}
-  m_Name: Banana
-  m_EditorClassIdentifier: 
-  uuid: banana
-  itemName: Banana
-  sprite: {fileID: 1603187126, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
-  stackable: 1
-  maxStackSize: 100

Assets/Items/Banana.asset.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: cbbbe8384f7ec2845b4145744d51ecf8
-NativeFormatImporter:
-  externalObjects: {}
-  mainObjectFileID: 11400000
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/Items/Crops/Apple.asset

@@ -17,7 +17,7 @@ MonoBehaviour:
   sprite: {fileID: -992969038, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
   stackable: 0
   maxStackSize: 1
-  daysToGrow: 6
+  daysToGrow: 1
   sprites:
   - {fileID: -1568493089, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
   - {fileID: 1918686608, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
@@ -25,3 +25,4 @@ MonoBehaviour:
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   - {fileID: -1664452952, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
   - {fileID: 1402415594, guid: 81f3e7dd6e7b15747a4a5c1923fb8521, type: 3}
+  harvest: {fileID: 11400000, guid: 601d7a33a6c338d49a35134d5c772940, type: 2}

Assets/Items/Hoe.asset

@@ -1,19 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!114 &11400000
-MonoBehaviour:
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-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: ab99e668aa1ba5a469eef680f3bb4b45, type: 3}
-  m_Name: Hoe
-  m_EditorClassIdentifier: 
-  uuid: Dia Hoe
-  itemName: 
-  sprite: {fileID: 0}
-  stackable: 0
-  maxStackSize: 1

Assets/Items/Hoe.asset.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 030984201821ba840872812944c9dc13
-NativeFormatImporter:
-  externalObjects: {}
-  mainObjectFileID: 11400000
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: