feat: add GitHub Actions CI workflow for multi-platform build, benchmark, and artifact upload.

Author: ProgrammerKR

.github/workflows/build.yml

@@ -31,10 +31,7 @@ jobs:
               build/proxpl
               build/prm
           - os: windows-latest
-            bin_path: |
-              build/Release/proxpl.exe
-              build/Release/proxpl_lib.dll
-              build/Release/prm.exe
+            bin_path: build/ProXPL_Installer_*.exe
 
     steps:
       - name: Checkout source
@@ -137,5 +134,4 @@ jobs:
           # For Linux/Mac, it still uploads the single binary.
           path: |
             ${{ matrix.bin_path }}
-            benchmarks/
-            build/ProXPL_Installer_*.exe
+            benchmarks/