Update nix config

shell.nix

@@ -8,10 +8,18 @@ pkgs.mkShell {
   ];
 
   shellHook = ''
-    if [ ! -d .venv ]; then
-      python -m venv .venv
+    export PIP_REQUIRE_VIRTUALENV=1
+    export VENV_PATH=$HOME/venv/homepage
+    
+    if [ ! -d $VENV_PATH ]; then
+      python -m venv $VENV_PATH
     fi
-    source .venv/bin/activate
+    source $VENV_PATH/bin/activate
     pip install -r requirements.txt
+
+    python parser/md.py
+    python generate.py
+    cd dist
+    python -m http.server 8000
   '';
 }