* fix instructions for .gdignore file in android folder
* add instructiond for JAVA_HOME variable on Windows
* simplify sdk installation and add warning for windows zip extraction
* fix command to navigate to andorid_sdk path
* update android editor settings screenshot for new Jarsigner path
* remove obsolete instructions for .gdignore file
* How to fix "Could not create settings"
I added an explanation for what to do if you get an error "Warning: Could not create settings".
* Update getting_started/workflow/export/android_custom_build.rst
Co-authored-by: Max Hilbrunner <mhilbrunner@users.noreply.github.com>