Add parameters to the doc (#31)

* typo

* Add doc paramaters RPaaSv2

docs/index.md

@@ -3,13 +3,10 @@
 page_title: "rpaas Provider"
 subcategory: ""
 description: |-
-  
 ---
 
 # rpaas Provider
 
-
-
 ## Example Usage
 
 ```terraform
@@ -19,8 +16,19 @@ provider "tsuru" {}
 resource "tsuru_service_instance" "my_rpaas" {
   service_name = "rpaasv2-be"
   name         = "my-rpaas"
+  parameters   = {
+  "plan-override" = jsonencode({
+      "config" = {
+        "cacheSize"         = "30Gi",
+        "cacheZoneSize"     = "200M",
+        "cacheInactive"     = "24h",
+        "mapHashBucketSize" = 128,
+      },
+    })
+  }
 }
 
+
 resource "rpaas_autoscale" "be_autoscale" {
   service_name = tsuru_service_instance.my_rpaas.service_name
   instance     = tsuru_service_instance.my_rpaas.name
@@ -76,10 +84,22 @@ resource "rpaas_route" "be_route_custom" {
 
 ### Optional
 
-- `http_timeout_in_seconds` (Number) Timeout in seconds a HTTP request can take. Zero means no limit.
+- `http_timeout_in_seconds` (Number) Timeout in seconds a HTTP request can take.
+ Zero means no limit.
 - `rpaas_password` (String) Password to authentication on RPaaS API
 - `rpaas_url` (String) URL address for RPaaS API
 - `rpaas_user` (String) Username to authenticate on RPaaS API
-- `skip_cert_verification` (Boolean) Whether should skip certificate verification during TLS protocol.
+- `skip_cert_verification` (Boolean) Whether should skip certificate
+verification during TLS protocol.
 - `tsuru_target` (String) URL address for Tsuru API
 - `tsuru_token` (String) Authentication token for Tsuru API
+- `parameters` (String) You can pass the parameter to override RPaaSV2 default
+settings
+  - `plan-override` (Json) configuration which will replace values from the
+  default Nginx template with `config`.
+    - `config` (Json) The values that can be replaced are these
+      - `cacheSize` (String) this parameter will replace the Nginx default
+      - `cacheZoneSize` (String)this parameter will replace the Nginx default
+      - `cacheInactive` (String)this parameter will replace the Nginx default
+      - `mapHashBucketSize` (String)this parameter will replace the Nginx default
+      - `LogFormat` (String)this parameter will replace the Nginx default