Docs: Update templates with link to Contributing guidelines. Add numerical version number in demo. Moved. (#5337)

.github/issue_template.md

@@ -4,7 +4,7 @@
 
 2. PLEASE CAREFULLY READ: [FAQ](https://github.com/ocornut/imgui/blob/master/docs/FAQ.md)
 
-3. PLEASE CAREFULLY READ: [Issue Submitting Guidelines](https://github.com/ocornut/imgui/issues/2261)
+3. PLEASE CAREFULLY READ: [Contributing Guidelines](https://github.com/ocornut/imgui/blob/master/docs/CONTRIBUTING.md)
 
 4. PLEASE MAKE SURE that you have: read the FAQ; explored the contents of `ShowDemoWindow()` including the Examples menu; searched among Issues; used your IDE to search for keywords in all sources and text files; and read the links above.
 

.github/pull_request_template.md

@@ -1,6 +1,6 @@
 (Click "Preview" to turn any http URL into a clickable link)
 
-1. PLEASE CAREFULLY READ: [Issue Submitting Guidelines](https://github.com/ocornut/imgui/issues/2261)
+1. PLEASE CAREFULLY READ: [Contributing Guidelines](https://github.com/ocornut/imgui/blob/master/docs/CONTRIBUTING.md)
 
 2. Clear this template before submitting your PR.
 

imgui_demo.cpp

@@ -406,7 +406,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
         ImGui::EndMenuBar();
     }
 
-    ImGui::Text("dear imgui says hello. (%s)", IMGUI_VERSION);
+    ImGui::Text("dear imgui says hello! (%s) (%d)", IMGUI_VERSION, IMGUI_VERSION_NUM);
     ImGui::Spacing();
 
     IMGUI_DEMO_MARKER("Help");