Add config tool for portable release

This replaces that three *.bat files that are currently in the portable release.

Author: sanni

tools/oscr_tool/apply_config.txt

@@ -0,0 +1,6 @@
+#define HW5
+#define ENABLE_FLASH
+#define ENABLE_FLASH8
+#define OPTION_REVERSE_SORT
+#define OPTION_CLOCKGEN_USE_CALIBRATION
+//#define ENABLE_NES

tools/oscr_tool/icon.ico

@@ -0,0 +1,4 @@
+@echo off
+powershell Install-Module -Name ps2exe -Scope CurrentUser
+powershell Invoke-ps2exe -inputFile "oscr_tool.ps1" -outputFile "oscr_tool.exe" -iconFile "icon.ico"
+pause

tools/oscr_tool/make.bat

@@ -0,0 +1,4 @@
+Copy oscr_tool.exe to the root directory of the portable release.
+You can also create an apply_config.txt with the settings you always want to have applied, see example apply_config.txt.
+
+This tool was made by ChatGPT, Claude AI and Github Copilot. Console descriptions are taken from the respective Wikipedia sites.