Switch tempel back for yasnippet

Add remaining emacs packages there weren't being installed via nixpkgs

home/emacs.nix

@@ -17,6 +17,8 @@
         # completion-packages
         cape
         consult
+        consult-eglot
+        consult-yasnippet
         corfu
         corfu-terminal
         embark
@@ -26,8 +28,9 @@
         vertico
 
         # snippets-packages
-        tempel
-        tempel-collection
+        yasnippet
+        yasnippet-snippets
+        yasnippet-capf
 
         # ide-packages
         vterm
@@ -70,6 +73,7 @@
         all-the-icons
         nerd-icons
         nerd-icons-completion
+        nerd-icons-corfu
         nerd-icons-dired
         nerd-icons-ibuffer
         ligature