added README.

README.md

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+# Halo - The Weather App
+Halo is a weather app written in python. It will automatically display weather 
+at the user location based on the user ip, or can be used to view weather data from specific locations.
+
+<p align="center">
+  <img  src="https://github.com/cijo7/Halo/raw/master/preview.gif">
+</p>
+
+## Prerequisites
+
+1. Python 3
+1. Pip
+
+## Installation
+
+You can [download](https://github.com/cijo7/Halo/raw/master/dist/Halo-0.1.0.tar.gz) the package and install it by running
+
+    sudo python3 setup.py install
+
+## Usage
+After installing you directly launch the app either by searching for Halo, or from terminal by running
+
+    halo
+
+### Running directly from Source
+
+You need to first install the dependencies manually by running
+
+    pip3 install -r requirements.txt
+
+Then run the module
+
+    python3 -m halo
+
+
+