alias for grep and cp

hosts/common/home.nix

@@ -43,6 +43,7 @@
   home.sessionVariables = {
     EDITOR = "vim";
     GTK_THEME = "Adwaita:dark";
+    MANPAGER = "nvim +Man!";
   };
 
   dconf.settings = {
@@ -59,6 +60,8 @@
     syntaxHighlighting.enable = true;
     history.size = 100000;
     shellAliases = {
+    grep = "grep --color=auto";
+    cp = "cp -r";
     };
   };