Added test case documentation generator

docs/test_cases/t00014.md

@@ -0,0 +1,74 @@
+# t00014 - Alias template instantiation
+## Config
+```yaml
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00014_class:
+    type: class
+    glob:
+      - ../../tests/t00014/t00014.cc
+    using_namespace:
+      - clanguml::t00014
+    include:
+      namespaces:
+        - clanguml::t00014
+
+```
+## Source code
+```cpp
+#include <algorithm>
+#include <ios>
+#include <map>
+#include <numeric>
+#include <string>
+#include <type_traits>
+#include <variant>
+#include <vector>
+
+/**
+ * These should not be include as they are not
+ * in ns clanguml::t00014
+ */
+template <typename T> struct clanguml_t00014_A {
+    T value;
+};
+
+using clanguml_t00014_AString = clanguml_t00014_A<std::string>;
+
+namespace clanguml {
+namespace t00014 {
+
+template <typename T, typename P> struct A {
+    T t;
+    P p;
+};
+
+template <typename T> using AString = A<T, std::string>;
+
+struct B {
+    std::string value;
+};
+
+using BVector = std::vector<B>;
+using BVector2 = BVector;
+
+using AIntString = AString<int>;
+using AStringString = AString<std::string>;
+using BStringString = AStringString;
+
+class R {
+    //clang-uml: tinst A<T, std::string>
+    A<bool, std::string> boolstring;
+    AString<float> floatstring;
+    AIntString intstring;
+    AStringString stringstring;
+    BVector bs;
+    BVector2 bs2;
+};
+}
+}
+
+```
+## Generated UML diagrams
+![t00014_class](./t00014_class.png "Alias template instantiation")