Fix trailing whitespaces

doc/auth.md

@@ -22,7 +22,7 @@ Example
 nginx_vhosts:
 # htpasswd on all vhost
   - name: test.local
-    htpasswd: 'hello'    
+    htpasswd: 'hello'
     template: '_base'
 
 # htpasswd only in /hello
@@ -30,7 +30,7 @@ nginx_vhosts:
     template: '_base'
     location:
       '/hello':
-        - htpasswd: 'hello'    
+        - htpasswd: 'hello'
 
 nginx_htpasswd:
   - name: 'hello'

doc/ssl.md

@@ -17,7 +17,7 @@ Cert/Key pairs
 
 This list have 3 mandatory keys:
 
-- `name`: MUST be unique 
+- `name`: MUST be unique
 
 - `key`: content of the private key
 - `cert`: content of the public key