Fix #8: Set defaults for ipfs_use_badger

Author: hsanjuan

group_vars/ipfs.yml

@@ -6,5 +6,4 @@ ipfs_storage_max: 10G
 ipfs_bloom_filter_size: 1048576 # 1MB
 ipfs_api_listen: /ip4/127.0.0.1/tcp/5001
 ipfs_fd_max: 4092
-
-
+ipfs_use_badger: false

roles/ipfs/templates/home/ipfs/ipfs_default_config

@@ -61,7 +61,7 @@
     "BloomFilterSize": {{ ipfs_bloom_filter_size }},
     "GCPeriod": "1h",
     "HashOnRead": false,
-{% if ipfs_use_badger %}
+{% if ipfs_use_badger | default(False) %}
     "Spec": {
       "child": {
         "path": "badgerds",