Add initial docs and preview

Author: kriskbx

documentation.md

@@ -0,0 +1,21 @@
+# gtt taskbar documentation
+
+Coming soon!
+
+## contents
+
+* [support further development 🍺](#support-further-development)
+* [license](#license)
+
+## support further development
+
+gtt is an open source project, developed and maintained completely in my free time.
+
+If you enjoy using gtt you can support the project by [contributing](#) to the code base, 
+sharing it to your colleagues and co-workers or monetarily by [donating via PayPal](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=TXL5G4BDN8JP6). 
+Every type of support is helpful and thank you very much if you consider supporting the project 
+or already have done so. 💜
+
+## license
+
+GPL v2

package.json

@@ -61,7 +61,7 @@
           "browser-support"
         ],
         "grade": "stable",
-        "desktopTemplate": "./.desktop"
+        "desktopTemplate": ".desktop"
       },
       "electronWinstallerConfig": {
         "name": "gtt-taskbar",

readme.md

@@ -1,10 +1,27 @@
-# ![gtt](https://raw.githubusercontent.com/kriskbx/gitlab-time-tracker-taskbar/master/src/icons/png/64x64.png) gtt taskbar
+![gtt](https://raw.githubusercontent.com/kriskbx/gitlab-time-tracker-taskbar/master/resources/images/preview/preview.png)
 
-[![Github All Releases](https://img.shields.io/github/downloads/kriskbx/gitlab-time-tracker-taskbar/total.svg?style=flat-square)](https://github.com/kriskbx/gitlab-time-tracker-taskbar/releases)
-[![GitHub (pre-)release](https://img.shields.io/github/release/kriskbx/gitlab-time-tracker-taskbar/all.svg?style=flat-square)](https://github.com/kriskbx/gitlab-time-tracker-taskbar/releases)
-[![Travis (Linux, Mac OS)](https://img.shields.io/travis/kriskbx/gitlab-time-tracker-taskbar/production.svg?style=flat-square)](https://travis-ci.org/kriskbx/gitlab-time-tracker-taskbar)
-[![AppVeyor (Windows)](https://img.shields.io/appveyor/ci/kriskbx/gitlab-time-tracker-taskbar/production.svg?style=flat-square)](https://ci.appveyor.com/project/kriskbx/gitlab-time-tracker-taskbar)
-[![GitHub](https://img.shields.io/github/license/kriskbx/gitlab-time-tracker-taskbar.svg?style=flat-square)](https://github.com/kriskbx/gitlab-time-tracker-taskbar/blob/master/LICENSE)
+<p align="center">
+<a href="https://github.com/kriskbx/gitlab-time-tracker-taskbar/releases"><img src="https://img.shields.io/github/downloads/kriskbx/gitlab-time-tracker-taskbar/total.svg?style=flat-square"></a>
+<a href="https://github.com/kriskbx/gitlab-time-tracker-taskbar/releases"><img src="https://img.shields.io/github/release/kriskbx/gitlab-time-tracker-taskbar/all.svg?style=flat-square"></a>
+<a href="https://travis-ci.org/kriskbx/gitlab-time-tracker-taskbar"><img src="https://img.shields.io/travis/kriskbx/gitlab-time-tracker-taskbar/production.svg?style=flat-square"></a>
+<a href="https://ci.appveyor.com/project/kriskbx/gitlab-time-tracker-taskbar"><img src="https://img.shields.io/appveyor/ci/kriskbx/gitlab-time-tracker-taskbar/production.svg?style=flat-square"></a>
+<a href="https://github.com/kriskbx/gitlab-time-tracker-taskbar/blob/master/LICENSE"><img src="https://img.shields.io/github/license/kriskbx/gitlab-time-tracker-taskbar.svg?style=flat-square"></a>
+</p>
 
->  An open source crossplatform menubar/taskbar application for GitLab's time tracking feature based on the [gtt command line interface](https://github.com/kriskbx/gitlab-time-tracker).
+## introduction
 
+gtt taskbar is an open source crossplatform (Linux, Mac OS, Windows) menubar/taskbar application for GitLab's time tracking feature based on the [gtt command line interface](https://github.com/kriskbx/gitlab-time-tracker).
+
+![Linux, Mac OS, Windows](https://raw.githubusercontent.com/kriskbx/gitlab-time-tracker-taskbar/master/resources/images/preview/os.png)
+
+## documentation
+
+How to install and use gtt taskbar? You can find the documentation [here](https://github.com/kriskbx/gitlab-time-tracker-taskbar/blob/master/documentation.md).
+
+## support further development
+
+Please support the development of this free software by [donating or sharing](https://github.com/kriskbx/gitlab-time-tracker-taskbar/blob/master/documentation.md#support-further-development)!
+
+## license
+
+gtt is open-source software licensed under the [GPL V2 license](https://github.com/kriskbx/gitlab-time-tracker-taskbar/blob/master/LICENSE).