build: add nim bind mounts

.repo/build

@@ -66,6 +66,14 @@ for package in "${PACKAGES[@]}"; do
       )
     fi
 
+    # nim - nim/nimble
+    if grep -q "depends = nim\|nimble" <<<"$makepkg_output"; then
+      EXTRA_ARGS+=(
+        --bind-rw /var/cache/nim/nim-cache:/build/.cache/nim
+        --bind-rw /var/cache/nim/nimble:/build/.nimble
+      )
+    fi
+
     # build signed package in chroot & add to local repo
     aur build \
       --chroot \