Added k3s page.

content/ru/docker-envs.md

content/ru/makefiles.md

content/ru/project-start.md

content/ru/start-with-k8s.md

content/ru/traefik.md

layouts/default.vue

nuxt.config.js

pages/_slug.vue

static/images/k3s_start/ingress-overview.png

static/images/k3s_start/kube_intro.jpg

static/images/k3s_start/kubectl-apply.png

static/images/k3s_start/lens-deployed.png

static/images/k3s_start/lens-example.png

static/images/k3s_start/pods.svg

static/images/k3s_start/requests.gif

static/images/k3s_start/service overview.png