Sentinel Fmt Hook Bugfix (#123)

* Fix shebang line 1 and fmt command

shebang needs to be on line one to work properly and sentinel fmt no longer has a diff cli argument

* adding execute to sentinel-fmt hook

Signed-off-by: Will Schultz <schultzwc18@gmail.com>

---------

Signed-off-by: Will Schultz <schultzwc18@gmail.com>

Author: schultzwc18

hooks/sentinel-fmt.sh

@@ -1,4 +1,3 @@
-
 #!/usr/bin/env bash
 
 set -e
@@ -13,7 +12,7 @@ export PATH=$PATH:/usr/local/bin
 FMT_ERROR=0
 
 for file in "$@"; do
-  sentinel fmt -diff -check "$file" || FMT_ERROR=$?
+  sentinel fmt -check "$file" || FMT_ERROR=$?
 done
 
 # reset path to the original value