Update proxmox.py (ansible-collections#8657)

* Update proxmox.py

Added an example to create a new container with more network options (with ipv6 static configuration)

* Update proxmox.py

Made the linter happy.

* cleaned up dictionaries

Changed dictionaries from this format:
netif: '{"net0":"name=eth0,g...
to this:
netif:
  net0: "name=eth0,g...

* Update proxmox.py

false intendation and trailing whitespaces

plugins/modules/proxmox.py

@@ -401,7 +401,8 @@
     password: 123456
     hostname: example.org
     ostemplate: 'local:vztmpl/ubuntu-14.04-x86_64.tar.gz'
-    netif: '{"net0":"name=eth0,ip=dhcp,ip6=dhcp,bridge=vmbr0"}'
+    netif:
+      net0: "name=eth0,ip=dhcp,ip6=dhcp,bridge=vmbr0"
 
 - name: Create new container with minimal options defining network interface with static ip
   community.general.proxmox:
@@ -413,7 +414,21 @@
     password: 123456
     hostname: example.org
     ostemplate: 'local:vztmpl/ubuntu-14.04-x86_64.tar.gz'
-    netif: '{"net0":"name=eth0,gw=192.168.0.1,ip=192.168.0.2/24,bridge=vmbr0"}'
+    netif:
+      net0: "name=eth0,gw=192.168.0.1,ip=192.168.0.2/24,bridge=vmbr0"
+
+- name: Create new container with more options defining network interface with static ip4 and ip6 with vlan-tag and mtu
+  community.general.proxmox:
+    vmid: 100
+    node: uk-mc02
+    api_user: root@pam
+    api_password: 1q2w3e
+    api_host: node1
+    password: 123456
+    hostname: example.org
+    ostemplate: 'local:vztmpl/ubuntu-14.04-x86_64.tar.gz'
+    netif:
+      net0: "name=eth0,gw=192.168.0.1,ip=192.168.0.2/24,ip6=fe80::1227/64,gw6=fe80::1,bridge=vmbr0,firewall=1,tag=934,mtu=1500"
 
 - name: Create new container with minimal options defining a mount with 8GB
   community.general.proxmox:
@@ -425,7 +440,8 @@
     password: 123456
     hostname: example.org
     ostemplate: 'local:vztmpl/ubuntu-14.04-x86_64.tar.gz'
-    mounts: '{"mp0":"local:8,mp=/mnt/test/"}'
+    mounts:
+      mp0: "local:8,mp=/mnt/test/"
 
 - name: Create new container with minimal options defining a mount with 8GB using mount_volumes
   community.general.proxmox:
@@ -511,7 +527,8 @@
     api_user: root@pam
     api_password: 1q2w3e
     api_host: node1
-    netif: '{"net0":"name=eth0,gw=192.168.0.1,ip=192.168.0.3/24,bridge=vmbr0"}'
+    netif:
+      net0: "name=eth0,gw=192.168.0.1,ip=192.168.0.3/24,bridge=vmbr0"
     update: true
 
 - name: Start container