move all add user steps to functions

add_user.sh

@@ -111,11 +111,6 @@ setup_weechat () {
 }
 
 send_welcome_mail () {
-    cp welcome_tmp.txt welcome.txt
-    
-    echo "Login: $LOGIN" >> welcome.txt
-    echo "Hasło: $PASS" >> welcome.txt
-    
     sendmail -f v0id1st@tylda.org "$LOGIN@tylda.org" << EOF
 Subject: Witaj na tylda.org!
 From: v0id1st@tylda.org
@@ -129,18 +124,21 @@ Twoje dane do Nextcloud to (https://cloud.tylda.org) to:
 EOF
 }
 
+# critical path
 setup_user
+setup_nextcloud
+send_welcome_mail
+
+# less important stuff
+# shouldn't impact user obtaining registration email
 setup_neomutt
 setup_tmux
 setup_gemini
 setup_html
 setup_weechat
-setup_nextcloud
 
 chown -R "$LOGIN":"$LOGIN" "/home/$LOGIN/"
 
-send_welcome_mail
-
 echo 524288000 > "$USER_CG/memory.max"     # 500 MB RAM
 echo "50000 100000" > "$USER_CG/cpu.max"        # 50 % CPU (quota/period μs)