[Rspamd] Add local fuzzy worker

data/conf/rspamd/local.d/fuzzy_check.conf

@@ -0,0 +1,34 @@
+rule "local" {
+    # Fuzzy storage server list
+    servers = "localhost:11445";
+    # Default symbol for unknown flags
+    symbol = "LOCAL_FUZZY_UNKNOWN";
+    # Additional mime types to store/check
+    mime_types = ["application/*"];
+    # Hash weight threshold for all maps
+    max_score = 20.0;
+    # Whether we can learn this storage
+    read_only = no;
+    # Ignore unknown flags
+    skip_unknown = yes;
+    # Hash generation algorithm
+    algorithm = "mumhash";
+
+    # Map flags to symbols
+    fuzzy_map = {
+        LOCAL_FUZZY_DENIED {
+            max_score = 20.0;
+            flag = 11;
+        }
+        LOCAL_FUZZY_PROB {
+            max_score = 10.0;
+            flag = 12;
+        }
+        LOCAL_FUZZY_WHITE {
+            max_score = 2.0;
+            flag = 13;
+        }
+    }
+}
+
+