Add margin to plugin blocks in admin

client/src/app/+admin/plugins/shared/plugin-list.component.scss

@@ -1,6 +1,10 @@
 @import '_variables';
 @import '_mixins';
 
+.plugin {
+  margin: 15px 0;
+}
+
 .first-row {
   margin-bottom: 10px;
 

config/default.yaml

@@ -160,7 +160,7 @@ plugins:
   # This is an unmoderated plugin index, so only install plugins/themes you trust
   index:
     enabled: true
-    check_latest_versions_interval: '1 day' # How often you want to check new plugins/themes versions
+    check_latest_versions_interval: '12 hours' # How often you want to check new plugins/themes versions
     url: 'https://packages.joinpeertube.org'
 
 cache:

config/production.yaml.example

@@ -161,7 +161,7 @@ plugins:
   # This is an unmoderated plugin index, so only install plugins you trust
   index:
     enabled: true
-    check_latest_versions_interval: '1 day' # How often you want to check new plugins/themes versions
+    check_latest_versions_interval: '12 hours' # How often you want to check new plugins/themes versions
     url: 'https://packages.joinpeertube.org'