chore: updated CI config & PKGBUILDs to new module split

.woodpecker/.build.yml

@@ -6,9 +6,20 @@ matrix:
 platform: ${PLATFORM}
 
 pipeline:
-  debug:
+  install-modules:
     image: 'chewingbever/vlang:latest'
     pull: true
+    environment:
+      - VMODULES=.vmodules
+    commands:
+      - 'cd src && v install'
+    when:
+      event: [pull_request]
+
+  debug:
+    image: 'chewingbever/vlang:latest'
+    environment:
+      - VMODULES=.vmodules
     commands:
       - make
     when:
@@ -18,9 +29,9 @@ pipeline:
 
   prod:
     image: 'chewingbever/vlang:latest'
-    pull: true
     environment:
       - LDFLAGS=-lz -lbz2 -llzma -lexpat -lzstd -llz4 -lsqlite3 -static
+      - VMODULES=.vmodules
     commands:
       # Apparently this -D is *very* important
       - CFLAGS='-DGC_THREADS=1' make prod