docs: add depends

As a virtual package, the installation of the DTK development environment depends on

Log:
Change-Id: Id6cc8240902e1ea6c86d09f46a731c2e6feaa56b

debian/changelog

@@ -1,5 +1,5 @@
 deepin-sdk (0.0.1-1) unstable; urgency=medium
 
-  * Initial release (Closes: #nnnn)  <nnnn is the bug number of your ITP>
+  * Initial release
 
  -- unknown <[email protected]>  Mon, 28 Dec 2020 10:27:35 +0800

debian/control

@@ -1,15 +1,15 @@
 Source: deepin-sdk
 Section: devel
 Priority: optional
-Maintainer: hudeng <hudeng@uniontech.com>
-Build-Depends: debhelper (>= 11)
+Maintainer: xmuli <xmulitech@gmail.com>
+Build-Depends: debhelper (>= 9)
 Standards-Version: 4.1.3
 Homepage: https://github.com/linuxdeepin/deepin-sdk
 #Vcs-Browser: https://salsa.debian.org/debian/deepin-sdk
 #Vcs-Git: https://salsa.debian.org/debian/deepin-sdk.git
 
 Package: deepin-sdk
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}
-Description: <insert up to 60 chars description>
- <insert long description, indented with spaces>
+Depends: ${shlibs:Depends}, ${misc:Depends}, libdtkwidget-dev, libdtkgui-dev, libdtkcore-dev
+Description: DTK Development Environment Virtual Package
+ DTK Development Environment Configuration Kit

debian/copyright

@@ -3,36 +3,20 @@ Upstream-Name: deepin-sdk
 Source: <url://example.com>
 
 Files: *
-Copyright: <years> <put author's name and email here>
-           <years> <likewise for another author>
-License: <special license>
- <Put the license of the package here indented by 1 space>
- <This follows the format of Description: lines in control file>
- .
- <Including paragraphs>
-
-# If you want to use GPL v2 or later for the /debian/* files use 
-# the following clauses, or change it to suit. Delete these two lines
-Files: debian/*
-Copyright: 2020 unknown <[email protected]>
-License: GPL-2+
+Copyright: 2020 Deepin Technology Co., Ltd.
+License: LGPL-3+
  This package is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
  (at your option) any later version.
  .
  This package is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- GNU General Public License for more details.
+ GNU Lesser General Public License for more details.
  .
- You should have received a copy of the GNU General Public License
+ You should have received a copy of the GNU Lesser General Public License
  along with this program. If not, see <https://www.gnu.org/licenses/>
  .
- On Debian systems, the complete text of the GNU General
- Public License version 2 can be found in "/usr/share/common-licenses/GPL-2".
-
-# Please also look if there are files or directories which have a
-# different copyright/license attached and list them here.
-# Please avoid picking licenses with terms that are more restrictive than the
-# packaged work, as it may make Debian's contributions unacceptable upstream.
+ On Debian systems, the complete text of the GNU Lesser General
+ Public License version 3 can be found in "/usr/share/common-licenses/LGPL-3".