Move the docs into a subdirectory

I want to test including it into the main docs via a submodule

README.md

@@ -2,32 +2,4 @@
 
 [GitLab](https://gitlab.tugraz.at/dbp/relay/dbp-relay-auth-bundle) | [Packagist](https://packagist.org/packages/dbp/relay-auth-bundle)
 
-## Bundle Configuration
-
-created via `./bin/console config:dump-reference DbpRelayAuthBundle | sed '/^$/d'`
-
-```yaml
-# Default configuration for "DbpRelayAuthBundle"
-dbp_relay_auth:
-    # The base URL for the OIDC server (in case of Keycloak fort the specific realm)
-    server_url:           ~ # Example: 'https://keycloak.example.com/auth/realms/my-realm'
-    # If set only tokens which contain this audience are accepted (optional)
-    required_audience:    ~ # Example: my-api
-    # How much the system time of the API server and the Keycloak server
-    # can be out of sync (in seconds). Used for local token validation.
-    local_validation_leeway: 120
-    # If remote validation should be used. If set to false the token signature will
-    # be only checked locally and not send to the keycloak server
-    remote_validation:    false
-    # The ID of the client (client credentials flow) used for remote token validation
-    # (optional)
-    remote_validation_id: ~ # Example: client-token-check
-    # The client secret for the client referenced by client_id (optional)
-    remote_validation_secret: ~ # Example: mysecret
-    # The Keycloak server base URL
-    frontend_keycloak_server: ~ # Example: 'https://keycloak.example.com/auth'
-    # The keycloak realm
-    frontend_keycloak_realm: ~ # Example: client-docs
-    # The ID for the keycloak client (authorization code flow) used for API docs or similar
-    frontend_keycloak_client_id: ~ # Example: client-docs
-```
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+Docs: see ./docs

docs/config.md

+## Bundle Configuration
+
+created via `./bin/console config:dump-reference DbpRelayAuthBundle | sed '/^$/d'`
+
+```yaml
+# Default configuration for "DbpRelayAuthBundle"
+dbp_relay_auth:
+    # The base URL for the OIDC server (in case of Keycloak fort the specific realm)
+    server_url:           ~ # Example: 'https://keycloak.example.com/auth/realms/my-realm'
+    # If set only tokens which contain this audience are accepted (optional)
+    required_audience:    ~ # Example: my-api
+    # How much the system time of the API server and the Keycloak server
+    # can be out of sync (in seconds). Used for local token validation.
+    local_validation_leeway: 120
+    # If remote validation should be used. If set to false the token signature will
+    # be only checked locally and not send to the keycloak server
+    remote_validation:    false
+    # The ID of the client (client credentials flow) used for remote token validation
+    # (optional)
+    remote_validation_id: ~ # Example: client-token-check
+    # The client secret for the client referenced by client_id (optional)
+    remote_validation_secret: ~ # Example: mysecret
+    # The Keycloak server base URL
+    frontend_keycloak_server: ~ # Example: 'https://keycloak.example.com/auth'
+    # The keycloak realm
+    frontend_keycloak_realm: ~ # Example: client-docs
+    # The ID for the keycloak client (authorization code flow) used for API docs or similar
+    frontend_keycloak_client_id: ~ # Example: client-docs
+```
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docs/index.md

+# About
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