adjust docs config page (#4529)

adjusting docs config per discussion in
https://github.com/dbt-labs/docs.getdbt.com/pull/3989/files#diff-d7019f8d3227a79cd73b0a6fdef68e1aa821a3396ffd3330e3e8eb7ab466f8a4

Author: mirnawong1

website/docs/reference/resource-configs/docs.md

@@ -20,10 +20,24 @@ default_value: {show: true}
 
 <TabItem value="models">
 
-<File name='models/schema.yml'>
+You can configure `docs` behavior for many resources at once by setting in `dbt_project.yml`. You can also use the `docs` config in `properties.yaml` files, to set or override documentation behaviors for specific resources:
+
 
+<File name='dbt_project.yml'>
 
 ```yml
+models:
+  [<resource-path>](/reference/resource-configs/resource-path):
+    +docs:
+      show: true | false
+
+```
+
+</File>
+
+<File name='models/schema.yml'>
+
+  ```yml
 version: 2
 
 models:
@@ -32,7 +46,6 @@ models:
       show: true | false
       node_color: "black"
 ```
-
 </File>
 
 </TabItem>
@@ -45,6 +58,20 @@ This property is not implemented for sources.
 
 <TabItem value="seeds">
 
+You can use the docs property in YAML files, including the `dbt_project.yml`:
+
+<File name='dbt_project.yml'>
+
+```yml
+seeds:
+  [<resource-path>](/reference/resource-configs/resource-path):
+    +docs:
+      show: true | false
+
+```
+
+</File>
+
 <File name='seeds/schema.yml'>
 
 ```yml
@@ -61,6 +88,20 @@ seeds:
 
 <TabItem value="snapshots">
 
+You can use the docs property in YAML files, including the `dbt_project.yml`:
+
+<File name='dbt_project.yml'>
+
+```yml
+snapshots:
+  [<resource-path>](/reference/resource-configs/resource-path):
+    +docs:
+      show: true | false
+
+```
+
+</File>
+
 <File name='snapshots/schema.yml'>
 
 ```yml
@@ -77,6 +118,9 @@ snapshots:
 
 <TabItem value="analyses">
 
+You can use the docs property in YAML files, _except_ in `dbt_project.yml`. Refer to [Analysis properties](/reference/analysis-properties) for more info.
+
+
 <File name='analysis/schema.yml'>
 
 ```yml
@@ -93,9 +137,7 @@ analyses:
 
 <TabItem value="macros">
 
-<!----
-To-do: check this
---->
+You can use the docs property in YAML files, _except_ in `dbt_project.yml`. Refer to [Macro properties](/reference/macro-properties) for more info.
 
 <File name='macros/schema.yml'>
 
@@ -109,16 +151,14 @@ macros:
 ```
 </File>
 
-Also refer to [macro properties](/reference/macro-properties).
-
 </TabItem>
 
 </Tabs>
 
 ## Definition
 The docs field can be used to provide documentation-specific configuration to models. It supports the doc attribute `show`, which controls whether or not models are shown in the auto-generated documentation website. It also supports `node_color` for some node types.
 
-**Note:** hidden models will still appear in the dbt DAG visualization but will be identified as "hidden.”
+**Note:** Hidden models will still appear in the dbt DAG visualization but will be identified as "hidden.”
 
 ## Default
 The default value for `show` is `true`.