docs: update changelog + examples

CHANGELOG.md

@@ -0,0 +1,5 @@
+# changelog
+
+### 1.0.0
+
+- changed format for porkbun handler

README.md

@@ -29,9 +29,12 @@ certificates = [
 
 [domains]
 "ptrc.gay" = "hetzner"
+"porkbunned.example" = "porkbun"
+"yet.another.domain.tld" = { provider = "hetzner", secret = "this_is_a_different_secret" }
 
 [secrets]
 hetzner = "your_secret_goes_here"
+porkbun = { apikey = "owo", secretapikey = "uwu" }
 ```
 
 configuration options:
@@ -45,5 +48,5 @@ currently implemented providers:
 - `cloudflare`
 - `hetzner`
 - `http`
-- `porkbun` (with secrets `porkbun.apikey` and `porkbun.secretapikey`)
+- `porkbun` (with secrets `apikey` and `secretapikey`, see example config)
 - `he` ( hurricane electric )