Added test case documentation generator

docs/test_cases/t00010.md

@@ -0,0 +1,46 @@
+# t00010 - Basic template instantiation
+## Config
+```yaml
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00010_class:
+    type: class
+    glob:
+      - ../../tests/t00010/t00010.cc
+    using_namespace:
+      - clanguml::t00010
+    include:
+      namespaces:
+        - clanguml::t00010
+
+```
+## Source code
+```cpp
+#include <string>
+#include <vector>
+
+namespace clanguml {
+namespace t00010 {
+
+template <typename T, typename P> class A {
+public:
+    T first;
+    P second;
+};
+
+template <typename T> class B {
+public:
+    A<T, std::string> astring;
+};
+
+class C {
+public:
+    B<int> aintstring;
+};
+}
+}
+
+```
+## Generated UML diagrams
+![t00010_class](./t00010_class.png "Basic template instantiation")