Fix indentation for newapkbuild.1
There's some extra indentation on the first sections that doesn't match other man pages and just looks misaligned with the rest of the page.
Example from man:
NAME
man – display manual pages
SYNOPSIS
man [-acfhklw] [-C file] [-M path] [-m path] [-S subsection]
[[-s] section] name ...
DESCRIPTION
Example from newapkbuild before this patch:
NAME
newapkbuild - generate a new APKBUILD
SYNOPSIS
newapkbuild options... [pkgname[-pkgver] | source_url]
DESCRIPTION
Example for newapkbuild after this patch:
NAME
newapkbuild - generate a new APKBUILD
SYNOPSIS
newapkbuild options... [pkgname[-pkgver] | source_url]
DESCRIPTION