ENH: support for head wrap detect

1.Add "in_head_wrap_detect_zone".Detect if the model projection enters
a specified area.

jira:[NEW]

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I6aed5a782d2f33f023bdc19cf06dff0957828eeb

src/libslic3r/PrintConfig.cpp

@@ -3327,6 +3327,15 @@ void PrintConfigDef::init_fff_params()
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 240 });
 
+    def = this->add("head_wrap_detect_zone", coPoints);
+    def->label ="Head wrap detect zone"; //do not need translation
+    def->mode = comDevelop;
+    def->set_default_value(new ConfigOptionPoints{
+        Vec2d(0,150),
+        Vec2d(30,150),
+        Vec2d(0,180),
+        Vec2d(30,180)
+        });
 
     def = this->add("detect_thin_wall", coBool);
     def->label = L("Detect thin wall");