Juntion Deviation + Documentation

Junction Deviation Calibration Test
Base documentation
 - VFA
 - Input Shaping
 - Junction Deviation

Co-Authored-By: Rodrigo <162915171+rf47@users.noreply.github.com>

src/libslic3r/GCodeWriter.hpp

@@ -53,6 +53,7 @@ public:
     std::string set_jerk_xy(double jerk);
     // Orca: set acceleration and jerk in one command for Klipper
     std::string set_accel_and_jerk(unsigned int acceleration, double jerk);
+    std::string set_junction_deviation(double junction_deviation); 
     std::string set_pressure_advance(double pa) const;
     std::string set_input_shaping(char axis, float damp, float freq) const;
     std::string reset_e(bool force = false);