Monthly, Quaterly, Yearly SMA trends

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

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

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

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- 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

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

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add mozilla public license header

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added line transparency on the SMAs