d2c (Dynamic Dns Cloudflare): Update the Cloudflare DNS A records for your dynamic IP.

Usage: d2c-rs

`d2c` UPDATES existing records. Please, create them in Cloudflare Dashboard before running this script.

The configuration is done in `/etc/d2c/*.toml` files in TOML format.
Configuration file structure:

[api]
zone-id = "<zone id>"
api-key = "<api key>"

[[dns]]
name = "test.example.com"
proxy = false

[[dns]]
name = "test2.example.com"
proxy = true
