Add BinaryNinja 3 script

Adds a script for BinaryNinja 3, currently it only processes the ScriptMethod field from script.json
Script needs to be edited to grab script.json as I haven't

Il2CppDumper/binaryninja3_py3.py

@@ -0,0 +1,27 @@
+import binaryninja
+from os.path import exists
+
+imageBase = bv.start
+
+def get_addr(addr):
+	return imageBase + addr
+
+fileDialog = OpenFileNameField("Select script.json", "script.json", "script.json")
+
+if get_form_input([fileDialog], "script.json from Il2CppDumper") != 1:
+    print("File not selected, try again!")
+else:
+    if exists(fileDialog.result) == True:
+        data = json.loads(open(fileDialog.result, 'rb').read().decode('utf-8'))
+        data["Addresses"] = None
+        if "ScriptMethod" in data:
+            scriptMethods = data["ScriptMethod"]
+            for scriptMethod in scriptMethods:
+                addr = get_addr(scriptMethod["Address"])
+                name = scriptMethod["Name"]
+                func = bv.get_function_at(addr)
+                if func != None:
+                    bv.get_function_at(addr).name = name
+            print("Done")
+    else:
+        print("File not found")