start work on webconsole with templates

Signed-off-by: R4SAS <r4sas@i2pmail.org>

libi2pd_webconsole/inja/inja.hpp

@@ -0,0 +1,61 @@
+/*
+  ___        _          Version 3.3
+ |_ _|_ __  (_) __ _    https://github.com/pantor/inja
+  | || '_ \ | |/ _` |   Licensed under the MIT License <http://opensource.org/licenses/MIT>.
+  | || | | || | (_| |
+ |___|_| |_|/ |\__,_|   Copyright (c) 2018-2021 Lars Berscheid
+          |__/
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+
+#ifndef INCLUDE_INJA_INJA_HPP_
+#define INCLUDE_INJA_INJA_HPP_
+
+//#include <nlohmann/json.hpp>
+#include "../nlohmann/json.hpp"
+
+namespace inja {
+#ifndef INJA_DATA_TYPE
+using json = nlohmann::json;
+#else
+using json = INJA_DATA_TYPE;
+#endif
+} // namespace inja
+
+#if (defined(__cpp_exceptions) || defined(__EXCEPTIONS) || defined(_CPPUNWIND)) && !defined(INJA_NOEXCEPTION)
+#ifndef INJA_THROW
+#define INJA_THROW(exception) throw exception
+#endif
+#else
+#include <cstdlib>
+#ifndef INJA_THROW
+#define INJA_THROW(exception)                                                                                                                                  \
+  std::abort();                                                                                                                                                \
+  std::ignore = exception
+#endif
+#ifndef INJA_NOEXCEPTION
+#define INJA_NOEXCEPTION
+#endif
+#endif
+
+#include "environment.hpp"
+#include "exceptions.hpp"
+#include "parser.hpp"
+#include "renderer.hpp"
+#include "template.hpp"
+
+#endif // INCLUDE_INJA_INJA_HPP_