Rename CreateEventBtn component files

src/components/ToolBar/ToolBar.jsx

@@ -1,5 +1,5 @@
 import styles from "./ToolBar.module.css"
-import CreateEventBtn from "./tools/createEventBtn/CreateEventBtn.jsx";
+import CreateEventBtn from "./tools/CreateEventBtn/CreateEventBtn.jsx";
 import SearchBtn from "./tools/SearchBtn.tsx";
 import FilterBtn from "./tools/FilterBtn.tsx";