Fix broken links (#55)

Author: mszostok

docs/customization/extra-fields.md

@@ -23,7 +23,7 @@ However, each project may want to display more information such as documentation
 
 !!! tip
 
-    Want to try? See the [custom fields](/examples#custom-fields) example!
+    Want to try? See the [custom fields](../../examples#custom-fields) example!
 
 Steps:
 
@@ -41,3 +41,5 @@ Example:
 examples/custom-fields/main.go
 --8<--
 ```
+
+![](../assets/examples/screen-custom-fields-.png)

docs/customization/pretty/custom-renderer.md

@@ -4,7 +4,7 @@ If the custom [formatting](./format.md) and [layout](./layout.md) don't meet you
 
 !!! tip
 
-    Want to try? See the [custom renderer](/examples#custom-renderer) example!
+    Want to try? See the [custom renderer](../../../examples#custom-renderer) example!
 
 ```go
 func main() {

docs/customization/pretty/format.md

@@ -10,7 +10,7 @@ Format lets you define your own theme and adjust the output to your branding col
 
 !!! tip
 
-    Want to try? See the [custom formatting](/examples#custom-formatting) example!
+    Want to try? See the [custom formatting](../../../examples#custom-formatting) example!
 
 Example usage:
 

docs/customization/pretty/layout.md

@@ -23,7 +23,7 @@ These are the fields that you can access in your Go template definition:
 
 !!! tip
 
-    Want to try? See the [custom layout](/examples#custom-layout) example!
+    Want to try? See the [custom layout](../../../examples#custom-layout) example!
 
 Example usage:
 

docs/customization/upgrade-notice/layout.md

@@ -18,7 +18,7 @@ These are the fields that you can access in your Go template definition:
 
 !!! tip
 
-    Want to try? See the [custom layout](/examples/#printer-upgrade-notice) example!
+    Want to try? See the [custom layout](../../../examples/#printer-upgrade-notice) example!
 
 Example usage: