fixed the mp4 link

Author: babaks

_site/schedule.html

@@ -2240,7 +2240,7 @@ <h1>Daily Schedule</h1>
 <tr class="even">
 <td>1:00 - 1:45</td>
 <td>Introduction to R Markdown</td>
-<td><a href="https://cosmos-datascience.github.io/slides/week01/Lab-01b-intro-rmarkdown.html">Slides</a> ● <a href="Lab-01b-intro-rmarkdown.mp4">Video</a></td>
+<td><a href="https://cosmos-datascience.github.io/slides/week01/Lab-01b-intro-rmarkdown.html">Slides</a> <a href="https://cosmos-datascience.github.io/slides/week01/Lab-01b-intro-rmarkdown.mp4">Video</a></td>
 </tr>
 <tr class="odd">
 <td>2:00 - 3:00</td>

schedule.Rmd

@@ -30,7 +30,7 @@ knitr::opts_chunk$set(echo = FALSE)
 | 09:00 - 09:30 | Welcome                            |[Slides](https://cosmos-datascience.github.io/slides/week01/01a-welcome.html)|
 | 09:35 - 10:30 | Introduction to data science    |[Slides](https://cosmos-datascience.github.io/slides/week01/01b-intro-data-science.html)|
 | 10:45 - 11:45 | Introduction to R    |[Slides](https://cosmos-datascience.github.io/slides/week01/Lab-01a-intro-R.html)|
-| 1:00 - 1:45 | Introduction to R Markdown    |[Slides](https://cosmos-datascience.github.io/slides/week01/Lab-01b-intro-rmarkdown.html) ● [Video](Lab-01b-intro-rmarkdown.mp4)  |
+| 1:00 - 1:45 | Introduction to R Markdown    |[Slides](https://cosmos-datascience.github.io/slides/week01/Lab-01b-intro-rmarkdown.html) [Video](https://cosmos-datascience.github.io/slides/week01/Lab-01b-intro-rmarkdown.mp4)  |
 | 2:00 - 3:00 | R Packages    |[Slides](https://cosmos-datascience.github.io/slides/week01/Lab-01c-R-packages.html)|
 
 </div>