revert img file names

docpages/advanced_reference/lambdas_and_locals.md

@@ -4,7 +4,7 @@ If you are reading this page, you have likely been sent here by someone helping
 
 It is important to remember that when you put a lambda callback onto a function in D++, that this lambda will execute at some point in the **future**. As with all things in the future and as 80s Sci-Fi movies will tell you, when you reach the future, things may well have changed!
 
-\image html delorean_time_travel.gif
+\image html delorean-time-travel.gif
 
 To explain this situation and how it causes issues, I'd like you to imagine the age-old magic trick, where a magician sets a fine table full of cutlery, pots, pans and wine. He indicates to the audience that this is authentic, then with a whip of his wrist, he whips the tablecloth away, leaving the cutlery and other tableware in place (if he is any good as a magician!)
 

docpages/make_a_bot/clion.md

@@ -25,7 +25,7 @@ In the `libs/` directory, clone D++ with: `git clone https://github.com/brainbox
 
 Your project directory should look like this:
 
-\image html build_clion_project_structure.png
+\image html build-clion-project-structure.png
 
 ### Configure CMake file
 
@@ -69,7 +69,7 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
 
 Then open the "File" menu and click on "Reload CMake Project" to reload the CMake configuration.
 
-\image html build_clion_reload_cmake_project.png
+\image html build-clion-reload-cmake-project.png
 
 ### Add an example program