Set yaml-multiline-string-style to literal in default settings

[Moep90]

After init, the initial result for the echo-server-config.yml looks like this:

apiVersion: v1
data:
  echo-service.conf: |-
    # A configuration file
    example: True
  nginx.conf: |
    server {
       listen       80;
       server_name  localhost;
       location / {
           proxy_pass  http://localhost:8080/;
       }
       error_page   500 502 503 504  /50x.html;
       location = /50x.html {
           root   /usr/share/nginx/html;
       }
    }
  simple_config: not mounted
kind: ConfigMap
metadata:
  annotations: {}
  labels:
    app.kapicorp.dev/component: echo-server
    name: echo-server
  name: echo-server-88d0d989
  namespace: echo-server

instead of:

apiVersion: v1
data:
  echo-service.conf: "# A configuration file\nexample: True"
  nginx.conf: "server {\n   listen       80;\n   server_name  localhost;\n   location\
    \ / {\n       proxy_pass  http://localhost:8080/;\n   }\n   error_page   500 502\
    \ 503 504  /50x.html;\n   location = /50x.html {\n       root   /usr/share/nginx/html;\n\
    \   }\n}\n"
  simple_config: not mounted
kind: ConfigMap
metadata:
  annotations: {}
  labels:
    app.kapicorp.dev/component: echo-server
    name: echo-server
  name: echo-server-88d0d989
  namespace: echo-server

[ademariag]

I think we can also change the actual default value

[Moep90]

I think we can also change the actual default value

I created a PR to do so: kapicorp/kapitan#1361