docs: add notes to custom-base-path example

Author: rakannimer

examples/custom-base-path/README.md

@@ -1,21 +1,25 @@
-# Basic Docz example
+# Custom base path docz example
 
 ## Using `create-docz-app`
 
 ```sh
-npx create-docz-app docz-app-basic
+npx create-docz-app docz-app-custom-base-path --example custom-base-path
 # or
-yarn create docz-app docz-app-basic
+yarn create docz-app docz-app-custom-base-path -- example custom-base-path
 ```
 
 ## Download manually
 
 ```sh
-curl https://codeload.github.com/doczjs/docz/tar.gz/master | tar -xz --strip=2 docz-master/examples/basic
-mv basic docz-basic-example
-cd docz-basic-example
+curl https://codeload.github.com/doczjs/docz/tar.gz/master | tar -xz --strip=2 docz-master/examples/custom-base-path
+mv basic docz-custom-base-path-example
+cd docz-custom-base-path-example
 ```
 
+## Notes
+
+`base` is added to doczrc and mapped to gatsby's `prefixPaths`
+
 ## Setup
 
 ```sh
@@ -38,4 +42,4 @@ yarn build # npm run build
 
 ```sh
 yarn serve # npm run serve
-```
+```