Added first implementation of Collection page indicator and savegame reader tool

scripts/README.txt

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+The "Savegame_Reader.exe" application can be used to create a LUA readable version of your savegame files.
+
+The resulting informations can then be used by EID to enable the following features:
+- Indicate if an item needs to be collected for the collection page
+
+
+You may need to install "Microsoft .NET 6.0" or greater for this tool to work.
+
+
+
+The source code of the application can be found here:
+https://github.com/wofsauge/IsaacSavegameReader
+
+
+
+SHA-256 Hash:
+6ecf16b85ad3ddb1001e43bf54c79f03b04c3c4bd6497b1eb0500be498d26c90
+
+Virus total scan:
+https://www.virustotal.com/gui/file/6ecf16b85ad3ddb1001e43bf54c79f03b04c3c4bd6497b1eb0500be498d26c90/detection

scripts/savegame_reader.runtimeconfig.json

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+{
+  "runtimeOptions": {
+    "tfm": "net6.0",
+    "framework": {
+      "name": "Microsoft.NETCore.App",
+      "version": "6.0.0"
+    },
+    "configProperties": {
+      "System.Reflection.Metadata.MetadataUpdater.IsSupported": false
+    }
+  }
+}