feat(docs) add first iteration of compile script

scripts/Doxyfile

@@ -58,7 +58,7 @@ PROJECT_LOGO           =
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = ../docs/api_doc
+OUTPUT_DIRECTORY       = ../docs
 
 # If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and
@@ -1091,7 +1091,7 @@ GENERATE_HTML          = YES
 # The default directory is: html.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_OUTPUT            = html
+HTML_OUTPUT            = doxygen_html
 
 # The HTML_FILE_EXTENSION tag can be used to specify the file extension for each
 # generated HTML page (for example: .htm, .php, .asp).

scripts/find_version.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+# Credit: https://stackoverflow.com/a/4774063
+SCRIPTPATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+TMPENVFILE=$(mktemp /tmp/lvgl.script.XXXXXX)
+cat $SCRIPTPATH/../lvgl.h | grep "#define LVGL_VERSION_" | sed 's/#define //g' | sed -r 's/\s+/=/' > $TMPENVFILE
+. $TMPENVFILE
+rm $TMPENVFILE
+echo $LVGL_VERSION_MAJOR.$LVGL_VERSION_MINOR