Use CI-CD-Github-Actions for spelling and formatting, add in the bot formatting action, update the CI-CD workflow files. Fix incorrect spelling and formatting on files. (#1083)

* Use new version of CI-CD Actions,  checkout@v3 instead of checkout@v2 on all jobs
* Use cSpell spell check, and use ubuntu-20.04 for formatting check
* Add in bot formatting action
* Update freertos_demo.yml and freertos_plus_demo.yml files to increase github log readability
* Add in a Qemu demo onto the workflows.

.github/scripts/qemu_reader.c

@@ -0,0 +1,38 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main( int argc, char * argv[] )
+{
+    setvbuf( stdout, NULL, _IONBF, 0 );
+    FILE * fp;
+    char path[ 256 ];
+    char cmd[ 256 ];
+
+    /* Open the command for reading. */
+    fp = popen("find . -name RTOSDemo.out", "r");
+        /* Read the output a line at a time - output it. */
+    while( fgets( path, sizeof( path ), fp ) != NULL )
+    {
+        printf( "Path: %s\n", path );
+    }
+
+    sprintf(cmd, "qemu-system-arm -machine mps2-an385 -monitor null -semihosting --semihosting-config enable=on,target=native -serial stdio -nographic -kernel %s", path);
+    printf("cmd= %s\n", cmd);
+    fp = popen( cmd, "r" );
+    if( fp == NULL )
+    {
+        printf( "Failed to run command\n" );
+        exit( 1 );
+    }
+
+    /* Read the output a line at a time - output it. */
+    while( fgets( path, sizeof( path ), fp ) != NULL )
+    {
+        printf( "%s", path );
+    }
+
+    /* close */
+    pclose( fp );
+
+    return 0;
+}