fix(docs/README.md): add missing EOF

Signed-off-by: Vaughn Dice <[email protected]>

docs/README.md

@@ -251,7 +251,7 @@ description = "My first bindle"
 
 [annotations]
 myname = "myvalue"
-
+EOF
 $ export BINDLE_URL="http:https://localhost:8080/v1/"
 # signing the invoice
 $ bindle sign-invoice invoice.toml -o signed-invoice.toml -l "VishnuJin<[email protected]>" -f $BINDLE_TEMP/client/secret_keys.toml