Update Let's Encrypt template to v0.3.0 (#165)

Changelog:
- Added support for storing certificate and private key in host path,
named volume or Convoy volume
- Updated ACME library fixing issues for Dyn and Route53

templates/letsencrypt/2/docker-compose.yml

@@ -0,0 +1,26 @@
+letsencrypt:
+  image: janeczku/rancher-letsencrypt:v0.3.0
+  environment:
+    EULA: ${EULA}
+    API_VERSION: ${API_VERSION}
+    CERT_NAME: ${CERT_NAME}
+    EMAIL: ${EMAIL}
+    DOMAINS: ${DOMAINS}
+    PUBLIC_KEY_TYPE: ${PUBLIC_KEY_TYPE}
+    RENEWAL_TIME: ${RENEWAL_TIME}
+    PROVIDER: ${PROVIDER}
+    CLOUDFLARE_EMAIL: ${CLOUDFLARE_EMAIL}
+    CLOUDFLARE_KEY: ${CLOUDFLARE_KEY}
+    DO_ACCESS_TOKEN: ${DO_ACCESS_TOKEN}
+    AWS_ACCESS_KEY: ${AWS_ACCESS_KEY}
+    AWS_SECRET_KEY: ${AWS_SECRET_KEY}
+    DNSIMPLE_EMAIL: ${DNSIMPLE_EMAIL}
+    DNSIMPLE_KEY: ${DNSIMPLE_KEY}
+    DYN_CUSTOMER_NAME: ${DYN_CUSTOMER_NAME}
+    DYN_USER_NAME: ${DYN_USER_NAME}
+    DYN_PASSWORD: ${DYN_PASSWORD}
+  volumes:
+    - ${STORAGE_VOLUME}/etc/letsencrypt/production/certs
+  labels:
+    io.rancher.container.create_agent: 'true'
+    io.rancher.container.agent.role: 'environment'