fix: Switch to space-separated sources.conf format

- Change from colon to space separation to avoid URL parsing issues
- Update sources.conf format: TYPE NAME URL VERSION BUILD_FUNCTION [EXTRA]
- Implement awk-based parsing for reliable field extraction
- Fix firmware package list (remove unavailable linux-firmware-marvell)

initramfs/etc/apk/arch

@@ -0,0 +1 @@
+x86_64

initramfs/etc/apk/keys/alpine-devel@lists.alpinelinux.org-4a6a0840.rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1yHJxQgsHQREclQu4Ohe
+qxTxd1tHcNnvnQTu/UrTky8wWvgXT+jpveroeWWnzmsYlDI93eLI2ORakxb3gA2O
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+GuH34Q8GsFG30izUENV9avY7hSLq7nggsvknlNBZtFUcmGoQrtx3FmyYsIC8/R+B
+ywIDAQAB
+-----END PUBLIC KEY-----

initramfs/etc/apk/keys/alpine-devel@lists.alpinelinux.org-5243ef4b.rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvNijDxJ8kloskKQpJdx+
+mTMVFFUGDoDCbulnhZMJoKNkSuZOzBoFC94omYPtxnIcBdWBGnrm6ncbKRlR+6oy
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+sS2MJzo7p3os1smGjUF158s6m/JbVh4DN6YIsxwl2OjDOz9R0OycfJSDaBVIGZzg
+cQIDAQAB
+-----END PUBLIC KEY-----

initramfs/etc/apk/keys/alpine-devel@lists.alpinelinux.org-5261cecb.rsa.pub

@@ -0,0 +1,9 @@
+-----BEGIN PUBLIC KEY-----
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwlzMkl7b5PBdfMzGdCT0
+cGloRr5xGgVmsdq5EtJvFkFAiN8Ac9MCFy/vAFmS8/7ZaGOXoCDWbYVLTLOO2qtX
+yHRl+7fJVh2N6qrDDFPmdgCi8NaE+3rITWXGrrQ1spJ0B6HIzTDNEjRKnD4xyg4j
+g01FMcJTU6E+V2JBY45CKN9dWr1JDM/nei/Pf0byBJlMp/mSSfjodykmz4Oe13xB
+Ca1WTwgFykKYthoLGYrmo+LKIGpMoeEbY1kuUe04UiDe47l6Oggwnl+8XD1MeRWY
+sWgj8sF4dTcSfCMavK4zHRFFQbGp/YFJ/Ww6U9lA3Vq0wyEI6MCMQnoSMFwrbgZw
+wwIDAQAB
+-----END PUBLIC KEY-----

initramfs/etc/apk/keys/alpine-devel@lists.alpinelinux.org-6165ee59.rsa.pub

@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----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+-----END PUBLIC KEY-----

initramfs/etc/apk/keys/alpine-devel@lists.alpinelinux.org-61666e3f.rsa.pub

@@ -0,0 +1,14 @@
+-----BEGIN PUBLIC KEY-----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+rO5kbUxFeZUIDq+7Yv4kLWcCAwEAAQ==
+-----END PUBLIC KEY-----

initramfs/etc/apk/repositories

@@ -0,0 +1,2 @@
+https://dl-cdn.alpinelinux.org/alpine/v3.22/main
+https://dl-cdn.alpinelinux.org/alpine/v3.22/community

initramfs/etc/apk/world

@@ -0,0 +1,30 @@
+alpine-baselayout
+alpine-keys
+alpine-release
+apk-tools
+bmon
+btrfs-progs
+busybox
+dhcpcd
+dosfstools
+ethtool
+eudev
+eudev-hwids
+eudev-libs
+eudev-netifnames
+haveged
+iproute2
+kmod
+libc-utils
+linux-firmware-bnx2
+linux-firmware-e100
+linux-firmware-intel
+linux-firmware-mellanox
+linux-firmware-qlogic
+linux-firmware-realtek
+musl
+openssh-server
+tcpdump
+util-linux
+zellij
+zlib