fix get all endpoint

src/main/java/de/pnreichmuth/timekeep_backend/controllers/TeamRestController.java

@@ -50,7 +50,7 @@ public class TeamRestController {
      * @return a HttpStatus.NOT_FOUND ResponseEntity if the database does not contain any teams,
      * else a ResponseEntity containing the list of all Teams in WSTO form
      */
-    @GetMapping("all")
+    @GetMapping("")
     public ResponseEntity<@NonNull List<TeamWSTO>> getAllTeams(){
         List<Team> teams = teamService.getTeams();
         List<TeamWSTO> teamWSTOs = new ArrayList<>();