Update flake (so that CRPS Learning presentation compiles)

flake.nix

@@ -24,6 +24,23 @@
           runHook postInstall
         '';
       });
+      r_profoc = pkgs.rPackages.buildRPackage {
+        name = "profoc";
+        src = pkgs.fetchFromGitHub {
+          owner = "BerriJ";
+          repo = "profoc";
+          rev = "0.9.3";
+          sha256 = "GakgyUJnlBRXSuct6Gxgn/V1hOSMryCZbJ6DJP1tV1M=";
+        };
+        propagatedBuildInputs = with pkgs.rPackages; [
+          Rcpp
+          Matrix
+          abind
+          RcppArmadillo
+          RcppProgress
+          splines2
+        ];
+      };
     in
     {
       devShells.x86_64-linux.default = pkgs.mkShell rec {
@@ -32,6 +49,7 @@
           # Technical dependencies:
           R
           python312Packages.radian
+          pandoc
           quarto
           rPackages.languageserver
           rPackages.lintr
@@ -50,6 +68,16 @@
           rPackages.gamlss
           rPackages.forecast
           rPackages.tictoc
+          rPackages.xaringan
+          rPackages.xaringanExtra
+          rPackages.rmarkdown
+          rPackages.kableExtra
+          rPackages.gt
+          rPackages.plotly
+          rPackages.latex2exp
+          rPackages.RefManageR
+          rPackages.gganimate
+          r_profoc
 
         ];