Adding courses to repo (#1)

* added the current courses and course images to the repo

* changing this repo to be set up more closely to the intro repo

_posts/courses/intermediate-eds-textbook/01-time-series/2019-11-19-time-series-landing-page.md

@@ -0,0 +1,40 @@
+---
+layout: single
+category: courses
+title: "Time Series Data in Python"
+permalink: /courses/use-data-open-source-python/use-time-series-data-in-python/
+week-landing: 1
+modified: 2020-09-11
+week: 1
+sidebar:
+  nav:
+comments: false
+author_profile: false
+course: "intermediate-earth-data-science-textbook"
+module-type: 'session'
+---
+
+{% include toc title="Section One" icon="file-text" %}
+
+<div class="notice--info" markdown="1">
+
+## <i class="fa fa-ship" aria-hidden="true"></i> Section One - Time Series Data in Python with Pandas
+
+
+In section one of this textbook, you will learn how to work with and plot time series data using the **pandas** package for **Python**. 
+
+
+## <i class="fa fa-graduation-cap" aria-hidden="true"></i> Learning Objectives
+
+After completing this section of the textbook, you will be able to:
+
+* Handle different date and time fields and formats using **pandas**. 
+* Set a `datetime` field as an index when importing data into a **pandas** dataframe. 
+* Subset time series data by date and timeframe (e.g. daily, monthly, yearly).
+* Handle missing data values using **pandas**.
+
+</div>
+
+
+{% include textbook-section-toc.html %}
+