Labkey api

I wrote a python script how to retrieve metadata from the LabKey table and described in README file, how to run it with an example.

scripts/README.md

+In order to connect to the LabKey through API, you will first need to create a file `.netrc` in your home directory:
+
+```bash
+touch ${HOME}/.netrc
+```
+
+Add the following lines to the file:
+
+```console
+machine <remote-instance-of-labkey-server>  
+login <user-email>
+password <user-password>  
+```
+
+To secure the file, set permissions in a way that only you can see the content of the file: 
+
+```bash
+chmod 400 .netrc
+```
+
+Install the `labkey` and `pandas` packages, ideally from a virtual environment (e.g., `virtualenv` or `conda`):
+
+```bash
+pip install labkey pandas
+```
+
+Run the LabKey API client script:
+
+```bash
+python labkey_api.py project_name labkey_table_nane  
+```
+
+Example:
+
+```bash
+python labkey_api.py TEST_ABOERSCH RNA_Seq_data_template  
+```
+
+Right now the script prints a representation of a `pandas` data frame containing the requested LabKey table the the screen.
+For further processing the current script could be included in another script, or it could be modified to write out the data in a desired file format (e.g., TSV).
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