[TYPO3] Add temporary files to .gitignore

These temporary files should never be commited.

Typo3.gitignore

@@ -8,6 +8,8 @@
 /typo3conf/temp_CACHED*
 /typo3conf/temp_fieldInfo.php
 /typo3conf/deprecation_*.log
+/typo3conf/ENABLE_INSTALL_TOOL
+/FIRST_INSTALL
 # Ignore system folders, you should have them symlinked.
 # If not comment out the following entries.
 /typo3