+ add api for presets

+ add yml-files for preset-definition

data/web/inc/presets/rspamd/preset_1.yml

@@ -0,0 +1,7 @@
+headline: lang.rsettings_preset_1
+content: |
+  priority = 10;
+  authenticated = yes;
+  apply "default" {
+   symbols_enabled = ["DKIM_SIGNED", "RATELIMITED", "RATELIMIT_UPDATE", "RATELIMIT_CHECK", "DYN_RL_CHECK", "HISTORY_SAVE", "MILTER_HEADERS", "ARC_SIGNED"];
+  }

data/web/inc/presets/rspamd/preset_2.yml

@@ -0,0 +1,5 @@
+headline: lang.rsettings_preset_2
+content: |
+  priority = 10;
+  rcpt = "/postmaster@.*/";
+  want_spam = yes;

data/web/inc/presets/sieve/sieve_1.yml

@@ -0,0 +1,7 @@
+headline: lang.sieve_preset_1
+content: |
+  if header :contains "x-attached"
+    [".exe",".bat",".js",".com",".cmd",".ini",".dll",".bas",".cpl",".drv",".inf",".sys",".pif",".doc",".docx"] {
+    discard;
+    stop;
+  }

data/web/inc/presets/sieve/sieve_2.yml

@@ -0,0 +1,7 @@
+headline: lang.sieve_preset_2
+content: |
+  require ["envelope", "imap4flags"];
+  if envelope "from" "mark@me-read.com"
+  {
+     setflag "\\seen";
+  }