Change plymouth theme to bgrt-better-luks (AUR)

Containerfile

@@ -21,4 +21,5 @@ RUN \
         virt-viewer \
     && \
     systemctl enable rpm-ostreed-automatic.timer && \
+    rpm-ostree initramfs --enable \
     ostree container commit

files/etc/plymouth/plymouthd.conf

@@ -0,0 +1,2 @@
+[Daemon]
+Theme=bgrt-better-luks

files/usr/share/plymouth/themes/bgrt-better-luks/bgrt-better-luks.plymouth

@@ -0,0 +1,65 @@
+[Plymouth Theme]
+Name=BGRT-better-luks
+Description=Jimmac's spinner theme using the ACPI BGRT graphics as background with a couple small tweaks from juxuanu to show the LUKS passphrase prompt under the OEM logo.
+ModuleName=two-step
+
+[two-step]
+Font=Cantarell 12
+TitleFont=Cantarell Light 30
+ImageDir=/usr/share/plymouth/themes//spinner
+DialogHorizontalAlignment=.5
+DialogVerticalAlignment=.7
+TitleHorizontalAlignment=.5
+TitleVerticalAlignment=.382
+HorizontalAlignment=.5
+VerticalAlignment=.7
+WatermarkHorizontalAlignment=.5
+WatermarkVerticalAlignment=.96
+Transition=none
+TransitionDuration=0.0
+BackgroundStartColor=0x000000
+BackgroundEndColor=0x000000
+ProgressBarBackgroundColor=0x606060
+ProgressBarForegroundColor=0xffffff
+DialogClearsFirmwareBackground=false
+MessageBelowAnimation=true
+
+[boot-up]
+UseEndAnimation=false
+UseFirmwareBackground=true
+
+[shutdown]
+UseEndAnimation=false
+UseFirmwareBackground=true
+
+[reboot]
+UseEndAnimation=false
+UseFirmwareBackground=true
+
+[updates]
+SuppressMessages=true
+ProgressBarShowPercentComplete=true
+UseProgressBar=true
+Title=Installing Updates...
+SubTitle=Do not turn off your computer
+
+[system-upgrade]
+SuppressMessages=true
+ProgressBarShowPercentComplete=true
+UseProgressBar=true
+Title=Upgrading System...
+SubTitle=Do not turn off your computer
+
+[firmware-upgrade]
+SuppressMessages=true
+ProgressBarShowPercentComplete=true
+UseProgressBar=true
+Title=Upgrading Firmware...
+SubTitle=Do not turn off your computer
+
+[system-reset]
+SuppressMessages=true
+ProgressBarShowPercentComplete=true
+UseProgressBar=true
+Title=Resetting System...
+SubTitle=Do not turn off your computer