Store dracut artifacts in its own target

So its easier to access them from other places.
Alos stores the dracut.conf file for kcryt under the dracut dir and
renames it to its proper final name

Signed-off-by: Itxaka <itxaka.garcia@spectrocloud.com>

Earthfile

@@ -16,13 +16,20 @@ build-kcrypt:
     RUN CGO_ENABLED=0 go build -o kcrypt -ldflags "-X main.Version=$VERSION"
     SAVE ARTIFACT /work/kcrypt AS LOCAL kcrypt
 
+dracut-artifacts:
+    FROM $BASE_IMAGE
+    WORKDIR /build
+    COPY --dir dracut/29kcrypt .
+    COPY dracut/10-kcrypt.conf .
+    SAVE ARTIFACT 29kcrypt 29kcrypt
+    SAVE ARTIFACT 10-kcrypt.conf 10-kcrypt.conf
+
 build-dracut:
     FROM $BASE_IMAGE
-    COPY . /work
-    COPY +build-kcrypt/kcrypt /usr/bin/kcrypt
     WORKDIR /work
-    RUN cp -r dracut/* /usr/lib/dracut/modules.d
-    RUN cp dracut.conf /etc/dracut.conf.d/10-kcrypt.conf
+    COPY +build-kcrypt/kcrypt /usr/bin/kcrypt
+    COPY +dracut-artifacts/29kcrypt /usr/lib/dracut/modules.d/29kcrypt
+    COPY +dracut-artifacts/10-kcrypt.conf /etc/dracut.conf.d/10-kcrypt.conf
     RUN kernel=$(ls /lib/modules | head -n1) && \
         dracut -f "/boot/initrd-${kernel}" "${kernel}" && \
         ln -sf "initrd-${kernel}" /boot/initrd