Add Rebasable label on the inspect-image label and a small description of it

Signed-off-by: Domenico Luciani <[email protected]>

Author: dlion

content/docs/app-developer-guide/run-an-app.md

@@ -49,6 +49,8 @@ Base Image:
 
 Run Images:
   cnbs/sample-stack-run:alpine
+  
+Rebasable: true
 
 Buildpacks:
   ID                             VERSION           HOMEPAGE

content/docs/buildpack-author-guide/create-buildpack/adding-bill-of-materials.md

@@ -10,6 +10,7 @@ One of the benefits of buildpacks is they can also populate the app image with m
 * The process types that are available and the commands associated with them
 * The run-image the app image was based on
 * The buildpacks were used to create the app image
+* Whether the run-image can be rebased with a new version through the `Rebasable` label or not
 * And more...!
 
 You can find some of this information using `pack` via its `inspect-image` command.  The bill-of-materials information will be available using `pack sbom download`.
@@ -26,6 +27,8 @@ You should see the following:
 Run Images:
   cnbs/sample-stack-run:jammy
 
+Rebasable: false
+
 Buildpacks:
   ID                   VERSION        HOMEPAGE
   examples/ruby        0.0.1          -

katacoda/scenarios/app-developer-guide/run-an-app.md

@@ -42,6 +42,8 @@ Base Image:
 Run Images:
   cnbs/sample-stack-run:alpine
 
+Rebasable: true
+
 Buildpacks:
   ID                             VERSION           HOMEPAGE
   samples/java-maven             0.0.1             https://github.com/buildpacks/samples/tree/main/buildpacks/java-maven