chore(gotosocial): extend README, fix typos

roles/gotosocial/README.md

@@ -1,8 +1,18 @@
 # `finallycoffee.fediverse.gotosocial` ansible role
 
-
 ## Configuration
 
+The server name can be set using `gotosocial_config_host`, with `gotosocial_config_account_domain` being available when webfinger delegation is used:
+
+```yaml
+gotosocial_config_host: gotosocial.example.org
+gotosocial_config_account_domain: example.org
+```
+
+### Database
+
+The database can be configured using the `gotosocial_config_db_[address|port|user|password|database]` variables. the `[...]_type` defaults to `postgres`.
+
 ### Built-in LetsEncrypt client
 
 To use the built-in letsencrypt client, set `gotosocial_config_letsencrypt_enabled: true`.
@@ -22,3 +32,15 @@ but with multiple acme clients all performing HTTP-01 challenges, you need to ma
 overwrite `gotosocial_container_ports` to fit your needs.
 
 ### Advanced configuration
+
+#### OIDC
+
+OIDC can be configured using `gotosocial_config_oidc_*` variables, disabled by default. A minimal configuration could look like this:
+
+```yaml
+gotosocial_config_oidc_enabled: true
+gotosocial_config_oidc_idp_name: "My fancy name for the configured IdP"
+gotosocial_config_oidc_issuer: http://issuer/url
+gotosocial_config_oidc_client_id: my_client_id
+gotosocial_config_oidc_client_secret: my_client_secret
+```

roles/gotosocial/defaults/main.yml

@@ -43,7 +43,7 @@ gotosocial_config_instance_expose_peers: false
 gotosocial_config_expose_suspended: false
 
 # account config
-gotosocial_config_acounts_registration_open: true
+gotosocial_config_accounts_registration_open: true
 gotosocial_config_accounts_approval_required: true
 gotosocial_config_accounts_reason_required: true