add premake files to build ocgcore.dll with lua static linked (#477)

.github/workflows/build.yml

+name: Automated Test Build
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  build:
+    runs-on: windows-2022
+
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Install lua
+      run: |
+        bash -c "curl --retry 5 --connect-timeout 30 --location --remote-header-name --remote-name https://www.lua.org/ftp/lua-5.4.6.tar.gz ; exit 0"
+        tar xzf lua-5.4.6.tar.gz
+        move lua-5.4.6 lua
+
+    - name: Premake
+      run: |
+        bash -c "curl --retry 5 --connect-timeout 30 --location --remote-header-name --remote-name https://github.com/premake/premake-core/releases/download/v5.0.0-beta2/premake-5.0.0-beta2-windows.zip ; exit 0"
+        7z x premake-5.0.0-beta2-windows.zip
+        move premake\lua.lua lua\premake5.lua
+        move premake\dll.lua dll.lua
+        .\premake5.exe vs2022 --file=dll.lua
+
+    - name: Add msbuild to PATH
+      uses: microsoft/setup-msbuild@v2
+
+    - name: Build
+      run: |
+        msbuild build\ocgcoredll.sln /t:Build /p:"Configuration=Release;Platform=Win32"
+        msbuild build\ocgcoredll.sln /t:Build /p:"Configuration=Release;Platform=x64"
+
+    - name: Upload build artifacts
+      uses: actions/upload-artifact@v4
+      with:
+        path: |
+          build\bin\x32\Release\ocgcore.dll
+          build\bin\x64\Release\ocgcore.dll
+
+    - name: GitHub Release
+      if: github.event_name == 'push'
+      uses: marvinpinto/action-automatic-releases@latest
+      with:
+        repo_token: "${{ secrets.GITHUB_TOKEN }}"
+        automatic_release_tag: "latest"
+        prerelease: true
+        title: "Development Build"
+        files: |
+          build/bin/x64/Release/ocgcore.dll

.gitignore

 .vscode/
+/premake5.exe
+/build
+/lua

premake/dll.lua

+newoption { trigger = "lua-dir", description = "", value = "PATH", default = "./lua" }
+
+function GetParam(param)
+    return _OPTIONS[param] or os.getenv(string.upper(string.gsub(param,"-","_")))
+end
+
+LUA_DIR=GetParam("lua-dir")
+if not os.isdir(LUA_DIR) then
+    LUA_DIR="../lua"
+end
+
+workspace "ocgcoredll"
+    location "build"
+    language "C++"
+
+    configurations { "Release", "Debug" }
+    platforms { "x32", "x64" }
+    
+    filter "platforms:x32"
+        architecture "x32"
+
+    filter "platforms:x64"
+        architecture "x64"
+
+    filter "configurations:Release"
+        optimize "Speed"
+
+    filter "configurations:Debug"
+        symbols "On"
+        defines "_DEBUG"
+
+    filter "system:windows"
+        defines { "WIN32", "_WIN32" }
+        systemversion "latest"
+        startproject "ocgcore"
+
+    filter { "configurations:Release", "action:vs*" }
+        flags { "LinkTimeOptimization" }
+        staticruntime "On"
+        disablewarnings { "4267", "4334" }
+
+    filter "action:vs*"
+        buildoptions { "/utf-8" }
+        defines { "_CRT_SECURE_NO_WARNINGS" }
+
+filter {}
+
+include(LUA_DIR)
+
+project "ocgcore"
+
+    kind "SharedLib"
+
+    files { "*.cpp", "*.h" }
+    links { "lua" }
+    
+    includedirs { LUA_DIR .. "/src" }

premake/lua.lua

+project "lua"
+    kind "StaticLib"
+
+    files { "src/*.c", "src/*.h", "src/*.hpp" }
+    removefiles { "src/lua.c", "src/luac.c" }
+
+    filter "action:vs*"
+        buildoptions { "/TP" }
+
+    filter "not action:vs*"
+        buildoptions { "-x c++" }
+
+    filter "system:bsd"
+        defines { "LUA_USE_POSIX" }
+
+    filter "system:macosx"
+        defines { "LUA_USE_MACOSX" }
+
+    filter "system:linux"
+        defines { "LUA_USE_LINUX" }