Add basic config for phi-search

It's used for searching when multiple-cursors is active.

modules/siren-multiple-cursors.el

@@ -16,6 +16,8 @@
   ("M-RET" . set-rectangular-region-anchor)
 
   :config
+  (require 'siren-phi-search)
+
   (setq mc/edit-lines-empty-lines 'ignore)
 
   ;; Make alt-<click> add additional cursors

modules/siren-phi-search.el

@@ -0,0 +1,14 @@
+;;; siren-phi-search.el --- jimeh's Emacs Siren: phi-search configuration.
+
+;;; Commentary:
+
+;; Basic configuration for phi-search.
+
+;;; Code:
+
+(use-package phi-search
+  :config
+  (setq phi-search-limit 3000)
+
+(provide 'siren-phi-search)
+;;; siren-phi-search.el ends here