Add proc_man to the initrd

Cargo.lock

@@ -205,6 +205,7 @@ dependencies = [
  "tap",
  "tar-no-std",
  "uart_16550",
+ "unsigned-varint",
  "unwinding",
  "x86_64",
 ]
@@ -456,6 +457,12 @@ version = "1.0.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
+[[package]]
+name = "unsigned-varint"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "eb066959b24b5196ae73cb057f45598450d2c5f71460e98c49b738086eff9c06"
+
 [[package]]
 name = "unwinding"
 version = "0.2.1"

initrd_file_list

@@ -9,4 +9,5 @@ bin/ext2
 bin/pci
 bin/bga
 bin/ahci
+bin/proc_man
 etc/pci_config