Add intellij file types to .gitignore

Issue-ID: POLICY-1264
Change-Id: I105fd8816cdeaf3901b3f53682431e77edb2c081
Signed-off-by: liamfallon <liam.fallon@est.tech>
diff --git a/.gitignore b/.gitignore
index 8ae43ea..7d31072 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,6 @@
 .metadata/
 /bin/
 .idea
+*.iml
+*.ipr
+*.iws