added all the .iml files in gitignore, not only app.iml

if somehow your module name isn't app, it will create a module-name.iml file, and isn't needed
2020-02-17 10:18:20 +01:00 · 2020-02-17 10:18:20 +01:00 · 55d17b556a
commit 55d17b556a
--- a/app/.gitignore
+++ b/app/.gitignore
@ -1,3 +1,4 @@
 .gitignore
 /build
 app.iml
+*.iml