install python dependencies in conda environment

[tensulin]

For readme

In order to encapsulate the environment and packages maybe explicitly install python in the new conda env and install ggmap dependencies in the conda env

2. activate new conda environment: conda activate ggmap
3. clone github repo via: git clone https://github.com/sjanssen2/ggmap.git
4. cd into the new directory cd ggmap
5. install modules from sources python setup.py develop --user

to:

2. activate new conda environment: conda activate ggmap
3. clone github repo via: git clone https://github.com/sjanssen2/ggmap.git
4. cd into the new directory cd ggmap
5. install Python for conda env: conda install python
6. install modules from sources: python setup.py develop