Base: Add man page for the dd command

Base: Add man page for the dd command

Base/usr/share/man/man1/dd.md

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+## Name
+
+dd - copy blocks of data
+
+## Synopsis
+
+```**sh
+$ dd if=[input_file] of=[output_file] [args...]
+```
+
+## Description
+
+`dd` is an application used to write blocks of data from one file to another. A common use case for `dd` is to make a bootable hard drive from a ISO file.
+
+## Options
+
+* `--help`: Display help message and exit
+
+## Arguments
+
+* `if`: input file (or device) to read from
+* `of`: output file (or device) to write to
+* `bs`: block size (of bytes) to use
+* `count`: number of blocks to write
+
+## Examples
+
+```**sh
+$ dd if=/dev/zero of=./zeros bs=1M count=1
+```