Add project files.

scripts/run.bat

@@ -0,0 +1,80 @@
+@echo off
+REM Run an executable module by its CMake target name (as registered in
+REM that module's own CMakeLists.txt), resolved via the manifest that
+REM _write_module_manifest() generates at configure time -- so this script
+REM never needs updating when modules are added, removed, or renamed.
+REM
+REM Usage (from the project root):
+REM   scripts\run.bat <target-name> [-- program-args...]
+REM
+REM Examples:
+REM   scripts\run.bat hello_exe
+REM   scripts\run.bat farewell_exe -- Ale
+setlocal enabledelayedexpansion
+
+cd /d "%~dp0.."
+
+if "%BUILD_DIR%"=="" set "BUILD_DIR=out\build"
+
+if "%~1"=="" goto usage
+
+set "TARGET_NAME=%~1"
+shift
+
+REM Collect any remaining args to pass through to the program (skipping a
+REM leading "--" separator if present).
+set "PASSTHROUGH="
+set "skip_next_dashes=1"
+:collect
+if "%~1"=="" goto collected
+if "!skip_next_dashes!"=="1" if "%~1"=="--" (
+    set "skip_next_dashes=0"
+    shift
+    goto collect
+)
+set "skip_next_dashes=0"
+set "PASSTHROUGH=!PASSTHROUGH! "%~1""
+shift
+goto collect
+:collected
+
+set "MANIFEST="
+for %%F in ("%BUILD_DIR%\module_manifest-*.txt") do (
+    if not defined MANIFEST set "MANIFEST=%%F"
+)
+if not defined MANIFEST (
+    echo error: no build manifest found in "%BUILD_DIR%". Run scripts\build.bat first. 1>&2
+    exit /b 1
+)
+
+set "BIN_PATH="
+for /f "usebackq tokens=1,* delims==" %%K in ("%MANIFEST%") do (
+    if "%%K"=="%TARGET_NAME%" set "BIN_PATH=%%L"
+)
+
+if not defined BIN_PATH (
+    echo error: no executable target named "%TARGET_NAME%". 1>&2
+    echo Available targets: 1>&2
+    for /f "usebackq tokens=1 delims==" %%T in ("%MANIFEST%") do echo   %%T 1>&2
+    exit /b 1
+)
+
+if not exist "%BIN_PATH%" (
+    echo error: "%BIN_PATH%" was not found. Rebuild with scripts\build.bat. 1>&2
+    exit /b 1
+)
+
+"%BIN_PATH%" !PASSTHROUGH!
+exit /b %ERRORLEVEL%
+
+:usage
+echo Usage: %~nx0 ^<cmake-target-name^> [-- program-args...] 1>&2
+echo. 1>&2
+echo Available executable targets: 1>&2
+set "found=0"
+for %%F in ("%BUILD_DIR%\module_manifest-*.txt") do (
+    set "found=1"
+    for /f "usebackq tokens=1 delims==" %%T in ("%%F") do echo   %%T 1>&2
+)
+if "!found!"=="0" echo   (none found -- did you run scripts\build.bat?) 1>&2
+exit /b 1