Merge pull request #19 from WizzardSK/ci-32bit

ci: build for 32-bit desktops

.gitlab-ci.yml

@@ -18,10 +18,18 @@ include:
   - project: 'libretro-infrastructure/ci-templates'
     file: '/windows-x64-mingw.yml'
     
+  # Windows 32-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/windows-i686-mingw.yml'
+    
   # Linux 64-bit
   - project: 'libretro-infrastructure/ci-templates'
     file: '/linux-x64.yml'
 
+  # Linux 32-bit
+  - project: 'libretro-infrastructure/ci-templates'
+    file: '/linux-i686.yml'
+
   # Linux 64-bit (ARM)
   - project: 'libretro-infrastructure/ci-templates'
     file: '/linux-aarch64.yml'
@@ -53,12 +61,24 @@ libretro-build-windows-x64:
     - .libretro-windows-x64-mingw-make-default
     - .core-defs
     
+# Windows 32-bit
+libretro-build-windows-i686:
+  extends:
+    - .libretro-windows-i686-mingw-make-default
+    - .core-defs
+    
 # Linux 64-bit
 libretro-build-linux-x64:
   extends:
     - .libretro-linux-x64-make-default
     - .core-defs
 
+# Linux 32-bit
+libretro-build-linux-i686:
+  extends:
+    - .libretro-linux-i686-make-default
+    - .core-defs
+
 # Linux 64-bit (ARM)
 libretro-build-linux-aarch64:
   extends: