Renamed all exercise folders accordingly

Numbers are too hard to navigate

banderaAsteriscos/11.js

@@ -3,7 +3,7 @@ function main() {
   for (let a = 1; a < numAst; a++) {
 
     for (let i = 0; i < a; i++) {
-      document.writeln(`<img src="./google.png" width=250px height=250px>`);
+      document.writeln(`*`);
     }
     document.writeln(`<br>`)
 

trash/README.md

@@ -0,0 +1 @@
+Welcome to the trash zone, these are exercises that don't work properly but I didn't want to erase