dockerised_local_env: Formalize slashes for git-ignored folders

Add missing heading and trailing slashes to the git-ignored directories.

Change-Id: I24ab3f91bc566abbfa57c43289808c1f11071042

dockerised_local_env/.gitignore

diff --git a/dockerised_local_env/.gitignore b/dockerised_local_env/.gitignore
index 4eee0e8..36a108e 100644
--- a/dockerised_local_env/.gitignore
+++ b/dockerised_local_env/.gitignore
@@ -1,28 +1,28 @@
 # LC_COLLATE=C sort
 
-gerrit-1/bin
-gerrit-1/data
-gerrit-1/db
-gerrit-1/etc
-gerrit-1/git
-gerrit-1/index
-gerrit-1/lib
-gerrit-1/logs
-gerrit-1/plugins
-gerrit-1/ssh/known_hosts
-gerrit-1/tmp
+/gerrit-1/bin/
+/gerrit-1/data/
+/gerrit-1/db/
+/gerrit-1/etc/
+/gerrit-1/git/
+/gerrit-1/index/
+/gerrit-1/lib/
+/gerrit-1/logs/
+/gerrit-1/plugins/
+/gerrit-1/ssh/known_hosts
+/gerrit-1/tmp/
 
-gerrit-2/bin
-gerrit-2/data
-gerrit-2/db
-gerrit-2/etc
-gerrit-2/git
-gerrit-2/index
-gerrit-2/lib
-gerrit-2/logs
-gerrit-2/plugins
-gerrit-2/ssh/known_hosts
-gerrit-2/tmp
+/gerrit-2/bin/
+/gerrit-2/data/
+/gerrit-2/db/
+/gerrit-2/etc/
+/gerrit-2/git/
+/gerrit-2/index/
+/gerrit-2/lib/
+/gerrit-2/logs/
+/gerrit-2/plugins/
+/gerrit-2/ssh/known_hosts
+/gerrit-2/tmp/
 
-syslog-sidecar/logs
-syslog-sidecar/socket
+/syslog-sidecar/logs/
+/syslog-sidecar/socket/