Added deploy and updated the readme accordingly

Jenkinsfile

@@ -13,6 +13,7 @@ pipeline {
         stage('Deploy') {
             steps{
                 echo 'Starting deploy step...'
+                sh 'sudo cp assignments/main_text.pdf /var/www/zwietering.eu/pdfs/real_analysis.pdf'
             }
         }
     }

README.md

@@ -5,3 +5,5 @@ Exercises and maybe (just maybe, like, very probably not) lecture notes on the R
 [Course link](https://ocw.mit.edu/courses/18-100a-real-analysis-fall-2020/)
 
 The text book is included in the directory root. The `.tex` files can be compiled individually in the corresponding subdirectories or collectively from the assignments directory. I use `pdflatex` with texlive on Arch (through WSL2, [check this guide](https://gist.github.com/ld100/3376435a4bb62ca0906b0cff9de4f94b) on how to do this (why use Ubuntu if you're only going to use the CLI right?)).
+
+The complete generated PDF file can be downloaded from [this address](https://zwietering.eu/pdfs/real_analysis.pdf).