Merge pull request #1789 from OWASP/feature-collapsible-urls

Update README.md to have collapsible link sections

README.md

@@ -86,8 +86,10 @@ You can install it by doing:
 ```bash
 docker run -p 8080:8080 jeroenwillemsen/wrongsecrets:latest-no-vault
 ```
-
-Now you can try to find the secrets by means of solving the challenge offered at:
+Now you can try to find the secrets by means of solving the challenge offered at the links below
+<details>
+    <summary>all the links for docker challenges (click triangle to open the block).
+    </summary>
 
 -   [localhost:8080/challenge/challenge-1](http://localhost:8080/challenge/challenge-1)
 -   [localhost:8080/challenge/challenge-2](http://localhost:8080/challenge/challenge-2)
@@ -129,6 +131,8 @@ Now you can try to find the secrets by means of solving the challenge offered at
 -   [localhost:8080/challenge/challenge-50](http://localhost:8080/challenge/challenge-50)
 -   [localhost:8080/challenge/challenge-51](http://localhost:8080/challenge/challenge-51)
 
+</details>
+
 Note that these challenges are still very basic, and so are their explanations. Feel free to file a PR to make them look
 better ;-).