Issue #1659404 by yannickoo: Add README.txt

INTRODUCTION

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Geocoder autocomplete provides an autocomplete widget for textfields

via the Google Geocoder API.

INSTALLATION

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1. Install the module the drupal way [1]

2. Go to "Manage fields" and add a new textfield.

   Select the "Geocoder (autocomplete)" widget.

[1] http://drupal.org/documentation/install/modules-themes/modules-7