Add .editorconfig and correct indentation for many seqs

seqs/spamass.sh

@@ -110,7 +110,7 @@ notes='
    imapsieve_mailbox2_from = Spam
    imapsieve_mailbox2_causes = COPY
    imapsieve_mailbox2_before = file:/usr/lib/dovecot/sieve-pipe/report-ham.sieve
-   
+
    sieve_extensions = +notify +imapflags +vnd.dovecot.execute
    sieve_global_extensions = +vnd.dovecot.pipe +vnd.dovecot.environment
 
@@ -123,7 +123,7 @@ notes='
    if environment :matches "imap.user" "*" {
      set "username" "${1}";
    pipe :copy "sa-learn-spam.sh" [ "${username}" ];
-  
+
   [/usr/lib/dovecot/sieve-pipe/report-ham.sieve]
    require ["vnd.dovecot.pipe", "copy", "imapsieve", "environment", "variables"];
    if environment :matches "imap.mailbox" "*" {
@@ -136,7 +136,7 @@ notes='
      set "username" "${1}";
    }
    pipe :copy "sa-learn-ham.sh" [ "${username}" ];
-   
+
   [/usr/lib/dovecot/sieve-pipe/sa-learn-spam.sh]
    #!/bin/sh
    # sa-learn is used in parallel. Be aware of system resources when