🔖 set version to 3.0.0

doc/Doxyfile

@@ -5,7 +5,7 @@
 #---------------------------------------------------------------------------
 DOXYFILE_ENCODING      = UTF-8
 PROJECT_NAME           = "JSON for Modern C++"
-PROJECT_NUMBER         = 2.1.1
+PROJECT_NUMBER         = 3.0.0
 PROJECT_BRIEF          =
 PROJECT_LOGO           =
 OUTPUT_DIRECTORY       = .

doc/examples/meta.output

@@ -2,16 +2,16 @@
     "compiler": {
         "c++": "201103",
         "family": "clang",
-        "version": "9.0.0 (clang-900.0.37)"
+        "version": "9.0.0 (clang-900.0.39.2)"
     },
     "copyright": "(C) 2013-2017 Niels Lohmann",
     "name": "JSON for Modern C++",
     "platform": "apple",
     "url": "https://github.com/nlohmann/json",
     "version": {
-        "major": 2,
-        "minor": 1,
-        "patch": 1,
-        "string": "2.1.1"
+        "major": 3,
+        "minor": 0,
+        "patch": 0,
+        "string": "3.0.0"
     }
 }

doc/index.md

@@ -278,4 +278,4 @@ The container functions known from STL have been extended to support the differe
 @author [Niels Lohmann](http://nlohmann.me)
 @see https://github.com/nlohmann/json to download the source code
 
-@version 2.1.1
+@version 3.0.0