Base: Add tar man page documentation

Author: https://github.com/bcoles
Commit: https://github.com/SerenityOS/serenity/commit/81c5b35dce0
Pull-request: https://github.com/SerenityOS/serenity/pull/4825

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

@@ -0,0 +1,44 @@
+## Name
+
+tar - file archiving utility
+
+## Synopsis
+
+```**sh
+$ tar [--create] [--extract] [--list] [--verbose] [--gzip] [--file FILE] [PATHS...]
+```
+
+## Description
+
+tar is an archiving utility designed to store multiple files in an archive file
+(tarball).
+
+Files may also be compressed and decompressed using GNU Zip (GZIP) compression.
+
+## Options
+
+* `-c`, `--create`: Create archive
+* `-x`, `--extract`: Extract archive
+* `-t`, `--list`: List contents
+* `-v`, `--verbose`: Print paths
+* `-z`, `--gzip`: compress or uncompress file using gzip
+* `-f`, `--file`: Archive file
+
+## Examples
+
+```sh
+# List the contents of archive.tar
+$ tar -t -f archive.tar
+
+# Extract the contents from archive.tar.gz
+$ tar -x -z -f archive.tar.gz
+
+# Extract the contents from archive.tar
+$ tar -x -f archive.tar
+```
+
+## See also
+
+* [`gunzip`(1)](gunzip.md)
+* [`unzip`(1)](unzip.md)
+