jinja-yaml - add whitespace around variable in curly braces

jinja-yaml - add whitespace around variable in curly braces based on best practices in official Jinja documentation

ex: {{vrf}} becomes {{ vrf }}

workshops/jinja-yaml.md

@@ -574,7 +574,7 @@ aaa authentication login default {{ global['aaa_authentication']['login']['defau
 aaa authorization exec default {{ global['aaa_authorization']['exec']['default'] }}
 
 # Render clock timezone config line
-clock timezone {{ global['clock']['timezone']}}
+clock timezone {{ global['clock']['timezone'] }}
 ```
 
 As you can see, the variable has many parameters in them. Lets walk through these parameters using the `aaa authentication` config line.
@@ -922,7 +922,7 @@ vxlan udp-port 4789
 
 {% for vrf,vrf_values in vrf.items() %}
 
-vxlan vrf {{vrf}} vni {{ vrf_values['l3vni']}}
+vxlan vrf {{ vrf }} vni {{ vrf_values['l3vni'] }}
 
 {% for vlan,vlan_values in vrf_values['vlans'].items() %}
 
@@ -954,7 +954,7 @@ First we will look at the `vrf` variables, and we will do this by changing the t
 vxlan source-interface loopback1
 vxlan udp-port 4789 #}
 {% for vrf,vrf_values in vrf.items() %}
-{# vxlan vrf {{vrf}} vni {{ vrf_values['l3vni']}} #}
+{# vxlan vrf {{ vrf }} vni {{ vrf_values['l3vni'] }} #}
 {{ vrf }}
 
 {% for vlan,vlan_values in vrf_values['vlans'].items() %}
@@ -994,7 +994,7 @@ Now lets take a look at the `_params` variable. Changing the template to what fo
 vxlan source-interface loopback1
 vxlan udp-port 4789 #}
 {% for vrf,vrf_values in vrf.items() %}
-{# vxlan vrf {{vrf}} vni {{ vrf_values['l3vni']}} #}
+{# vxlan vrf {{ vrf }} vni {{ vrf_values['l3vni'] }} #}
 {# {{ vrf }} #}
 {{ vrf_values }}
 
@@ -1034,7 +1034,7 @@ vxlan udp-port 4789
 
 {% for vrf,vrf_values in vrf.items() %}
 
-vxlan vrf {{vrf}} vni {{ vrf_values['l3vni']}}
+vxlan vrf {{ vrf }} vni {{ vrf_values['l3vni'] }}
 
 {% for vlan,vlan_values in vrf_values['vlans'].items() %}
 
@@ -1209,9 +1209,9 @@ The Jinja template would look as follows:
  ip radius vrf {{ radsrc['vrf'] }} source-interface {{ radsrc['name'] }}
  {% endfor %}
 
- mac address-table aging-time {{ global['mac_address_table']['aging_time']}}
+ mac address-table aging-time {{ global['mac_address_table']['aging_time'] }}
 
- arp aging timeout {{ global['arp']['aging']['timeout_default']}}
+ arp aging timeout {{ global['arp']['aging']['timeout_default'] }}
 
  {% for dns in global['name_servers'] %}
  ip name-server {{ dns }}
@@ -1224,7 +1224,7 @@ The Jinja template would look as follows:
  ntp server vrf {{ ntps['vrf'] }} {{ ntps['name'] }}
  {% endfor %}
 
- clock timezone {{ global['clock']['timezone']}}
+ clock timezone {{ global['clock']['timezone'] }}
 
  vlan 4094
  name MLAG