I want the pagenumber to display like this:

I have r-markdown like this:
---
LaTeX code here
---
Markdown code here
The actual code:
---
header-includes:
- \usepackage{geometry}
- \usepackage{fancyhdr}
- \usepackage{graphicx}
- \usepackage{xcolor}
- \geometry{
a4paper,
left=15mm,
right=15mm,
headheight=3cm,
top=4cm,
bottom=4.5cm,
footskip=1cm,
}
- \pagestyle{fancy}
- \renewcommand{\headrulewidth}{0.4pt}
- \renewcommand{\footrulewidth}{0.4pt}
- \fancyhead[R]{\includegraphics[width=3.5cm]{logo.png}}
- \fancyfoot[L]{multiple Details \\ multiple Details \\ multiple Details}
- \fancyfoot[C]{multiple Details \\ multiple Details \\ multiple Details}
- \fancyfoot[R]{multiple Details \\ multiple Details \\ multiple Details}
output: pdf_document
---
# Heading level 1
content
## Heading level 2
content
# Heading level 1
content
## Heading level 2
content
My question: Which package do I use and how is it possible to display my pagenumber like in the screenshot?
To convert the .md file to a .pdf I use pandoc like this:
pandoc --toc readme.md -o readme.pdf
