docs: update documentation (#25)

README.md

@@ -3,6 +3,25 @@
 In the OneCX Portal we want to support Multi-Tenancy. In order to do so this application was created:
 TenantResolver Microservice To resolve Tenant - by user ID & Org-Party Id.
 
+## Configuration
+
+```properties
+# header parameter
+onecx.tenant.header.token=apm-principal-token
+# enable or disable verified of the token
+onecx.tenant.token.verified=true
+# issuer suffix
+onecx.tenant.token.issuer.public-key-location.suffix=/protocol/openid-connect/certs
+# replace issuer location
+onecx.tenant.token.issuer.public-key-location.enabled=false
+# enable or disable default tenant
+onecx.tenant.default.enabled=true
+# default tenant value
+onecx.tenant.default.tenant-id=default
+# token organization claim
+onecx.tenant.token.claim.org-id=orgId
+```
+
 ## Data import
 
 To enable data import for local development use these properties: