Updated test cases documentation

docs/test_cases/t00032.md

@@ -0,0 +1,62 @@
+# t00032 - Class template with template base classes test case
+## Config
+```yaml
+compilation_database_dir: ..
+output_directory: puml
+diagrams:
+  t00032_class:
+    type: class
+    glob:
+      - ../../tests/t00032/t00032.cc
+    using_namespace:
+      - clanguml::t00032
+    include:
+      namespaces:
+        - clanguml::t00032
+
+```
+## Source code
+File t00032.cc
+```cpp
+#include <memory>
+#include <vector>
+
+namespace clanguml {
+namespace t00032 {
+
+struct Base {
+};
+
+struct TBase {
+};
+
+struct A {
+    void operator()() { }
+};
+
+struct B {
+    void operator()() { }
+};
+
+struct C {
+    void operator()() { }
+};
+
+template <typename T, typename L, typename... Ts>
+struct Overload : public Base, public T, public Ts... {
+    using Ts::operator()...;
+    L counter;
+};
+
+template <class... Ts> Overload(Ts...) -> Overload<Ts...>;
+
+struct R {
+    Overload<TBase, int, A, B, C> overload;
+};
+
+} // namespace t00032
+} // namespace clanguml
+
+```
+## Generated UML diagrams
+![t00032_class](./t00032_class.png "Class template with template base classes test case")