Updated examples to add missing stdin in runContainer examples

Signed-off-by: hiren <[email protected]>

Author: hirenr

dsl-reference.md

@@ -950,6 +950,7 @@ do:
       run:
         container:
           image: alpine
+          stdin: ${ . }
           command: |
             input=$(cat)
             echo "STDIN was: $input"

examples/run-container-stdin-and-arguments.yaml

@@ -17,6 +17,7 @@ do:
             input=$(cat)
             echo "STDIN was: $input"
             echo "ARGS are $1 $2"
+          stdin: ${ . }
           arguments:
           - Foo
           - Bar