First commit of Fortran version of GildedRose

fortran/README.md

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+# Fortran version of Gilded Rose refactoring kata
+
+## Introduction
+The Fortran90 version of the Gilded Rose refactoring kata.
+
+## Prerequisites
+
+* CMake version >= 3.13
+* Fortran compiler
+    * Tested with:
+        * gfortran
+        * Intel Fortran
+
+## How to build and run tests in a terminal
+
+### Build tests
+
+    $ cd ${GIT_FOLDER}/GildedRose-Refactoring-Kata/fortran
+    $ mkdir build
+    $ cd build
+    $ cmake ..
+    $ cmake --build .
+
+### Show available tests
+
+    $ cd ${GIT_FOLDER}/GildedRose-Refactoring-Kata/fortran/build
+    $ ctest -N
+    Test project ${GIT_FOLDER}/GildedRose-Refactoring-Kata/fortran/build
+      Test #1: GildedRose_text_test
+      Test #2: GildedRose_unity_test
+
+    Total Tests: 2
+
+### Run all tests
+
+    $ ctest
+
+### Run all tests with verbose output
+
+    $ ctest -VV
+
+## How to build and run tests using the [CLion IDE](https://www.jetbrains.com/clion/)
+
+1. Start CLion
+2. Select menu `File - Open...`
+3. Select folder `${GIT_FOLDER}/GildedRose-Refactoring-Kata/fortran`
+4. Select menu `Build - Build Project`
+4. Select menu `Run - Run...`
+
+## How to build and run tests using Visual Studio 2019 
+
+1. Start Visual Studio 2019
+2. Select `Open a local folder`
+3. Select folder `${GIT_FOLDER}/GildedRose-Refactoring-Kata/fortran`
+4. Wait for message `CMake generation finished.` in the CMake output window at the bottom
+5. Select ALL_BUILD and build to build the source code
+6. Select RUN_TEST and build which will execute the tests