Monthly, Quaterly, Yearly SMA trends

It highlights on the chart when the SMA20 crosses the SMA60 etc. for the Monthly, Quaterly, Yearly SMA trends.

Nota Keluaran:

added variable to easily customize the sma ranges
added plots to show sma lines on the chart

Nota Keluaran:

update from v3 to v4 in order to comply with TV rules

Nota Keluaran:

- added description for SMA values
- changed default to show trend lines, must comment to disable them until I figure something better out like a setting

Nota Keluaran:

added author line, in order for people to be able to reach out to me with suggestions

Nota Keluaran:

add mozilla public license header

Nota Keluaran:

added line transparency on the SMAs