add README

README.rst

+====================
+GeoSentinel Library
+====================
+
+This Library get the next products using Sentinel-2 images: 
+==============================================================
+  * Download
+  * Unzip
+  * Atmospheric Correction 10m, 20m or 60m
+  * Resample 10m, 20m or 60m
+  * Subset
+  * Mosaicing
+  * RGB
+  * Index
+	   * NDVI
+	   * NDWI
+	   * NBAI
+
+Required modules:
+====================
+
+  * Python 2.7 x64 : https://www.python.org/downloads/
+  * Sentinelsat    : https://github.com/sentinelsat/sentinelsat
+
+Installation:
+==============================
+
+``$ pip install sentinelsat``
+
+``$ cd home / GeoSentinel``
+
+``$ python setup.py install``
+
+You can find the library into folder build / lib, copy geosentinel folder to local path / python27 / Lib / site-packages
+
+
+Usage:
+===================
+
+Find Sentinel Files
+
+``$ cd home / GeoSentinel / examples``
+
+``$ python name_example into_variables``
+
+Example:
+========
+
+``$ python find_sentinel_files home/images_Sentinel Sentinel-2 MSIL1C``
+
+``$ python find_sentinel_files –-help``
+
+Show:
+=====
+* **usage:** find_sentinel_files [-h] folder plattform product_type
+* Find Sentinel files in the folder specified by the user positional arguments:
+    * **folder:** Folder to find Sentinel files
+    * **plattform:** Sentinel-1 or Sentinel-2
+    * **product_type:** Sentinel product type {all, SM_SLC, SM_GRDF, SM_GRDH, SM_GRDM, IW_SLC, IW_GRDH, IW_GDRM, EW_SLC, EW_GRDH, EW_GRDM, WV_SLC, WV_GRDM, MSIL1C, OPER_PRD}
+optional arguments:
+  -h, --help    show this help message and exit
+
+
+  .. image:: https://img.shields.io/badge/license-AGPL--3-blue.png
+   :target: https://www.gnu.org/licenses/agpl
+   :alt: License: AGPL-3
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