remove $ from code-blocks in build_all.sh (#955)

* removed $ from code-blocks in build_all.sh

* separate the code from the output

* added shell indicator for the code block

* added shell indicator for the code block

* update logging.md

* separate the code from the output in other files as well

* update the output code-blocks to text

src/android/build-rules/binary.md

@@ -19,5 +19,8 @@ You can now build, push, and run the binary:
 
 ```shell
 {{#include ../build_all.sh:hello_rust}}
+```
+
+```text
 Hello from Rust!
 ```

src/android/build-rules/library.md

@@ -32,6 +32,9 @@ You build, push, and run the binary like before:
 
 ```shell
 {{#include ../build_all.sh:hello_rust_with_dep}}
+```
+
+```text
 Hello Bob, it is very
 nice to meet you!
 ```