PrusaLink - cherrypick pick from stable branch

Added to config enums, visible in Physical Printer Dialog and class derived from Octoprint

src/slic3r/Utils/OctoPrint.hpp

@@ -96,6 +96,31 @@ private:
     std::string m_password;
 };
 
+class PrusaLink : public OctoPrint
+{
+public:
+    PrusaLink(DynamicPrintConfig* config);
+    ~PrusaLink() override = default;
+
+    const char* get_name() const override;
+
+    wxString get_test_ok_msg() const override;
+    wxString get_test_failed_msg(wxString& msg) const override;
+    bool can_start_print() const override { return true; }
+
+protected:
+    bool validate_version_text(const boost::optional<std::string>& version_text) const override;
+
+private:
+    void set_auth(Http& http) const override;
+
+    // Host authorization type.
+    AuthorizationType authorization_type;
+    // username and password for HTTP Digest Authentization (RFC RFC2617)
+    std::string username;
+    std::string password;
+};
+
 }
 
 #endif