Add Gallery to readme

[aornugent]

We have an amazing collection of community submissions.

I'd like to add a table to this repo linking to them.

The table can look like this:

## Community Analyses
|---|---|
| [![Example 1](img/example1_thumbnail.png)](https://nbviewer.org/github/author1/repository/blob/branch/land_sector_analysis.ipynb) | [![Example 2](img/example2_thumbnail.png)](https://nbviewer.org/github/author2/repository/blob/branch/land_sector_analysis.ipynb)  | .... | .... |

Community Analyses

....	....

[khushishikhu]

Hi @aornugent I am an outreachy applicant, I would like to contribute in this project. Please assign me this issue

[aphrysof]

Hi @khushishikhu , I'm also an outreachy applicant, did you get assigned?

[CodebyCc]

Hi I want to be assigned to this issue please

[crocmons]

Hello I want to work on this issue

[maha-sachin]

We have an amazing collection of community submissions.

I'd like to add a table to this repo linking to them.

The table can look like this:

## Community Analyses
|---|---|
| [![Example 1](img/example1_thumbnail.png)](https://nbviewer.org/github/author1/repository/blob/branch/land_sector_analysis.ipynb) | [![Example 2](img/example2_thumbnail.png)](https://nbviewer.org/github/author2/repository/blob/branch/land_sector_analysis.ipynb)  | .... | .... |

Community Analyses

.... ....

Hi, @aornugent. Could you please confirm whether this issue is closed or open? I am an Outreachy intern. Can you assist me in assigning a new issue?