Support for ZSTD compressor

[REASY]

Currently when I try to open a ZSTD compressed GeoTIFF I'm getting the following error:

"Error: Unknown compression method identifier: 50000
    at getDecoder (http://localhost:8091/dist/main.js:16498:11)
    at GeoTIFFImage.readRasters (http://localhost:8091/dist/main.js:18190:97)
    at GeoTIFFImage.readRGB (http://localhost:8091/dist/main.js:18241:19)
    at MapView._callee3$ (http://localhost:8091/dist/main.js:1299:46)
    at tryCatch (http://localhost:8091/dist/main.js:109577:40)
    at Generator.invoke [as _invoke] (http://localhost:8091/dist/main.js:109815:22)
    at prototype.<computed> [as next] (http://localhost:8091/dist/main.js:109629:21)
    at step (http://localhost:8091/dist/main.js:1110:191)
    at http://localhost:8091/dist/main.js:1110:361"

The list of supported decoders by geotiff.js at the moment can be found here:

geotiff.js/src/compression/index.js

Lines 20 to 29 in f15d770

	addDecoder([undefined, 1], () => import('./raw.js').then((m) => m.default));
	addDecoder(5, () => import('./lzw.js').then((m) => m.default));
	addDecoder(6, () => {
	throw new Error('old style JPEG compression is not supported.');
	});
	addDecoder(7, () => import('./jpeg.js').then((m) => m.default));
	addDecoder([8, 32946], () => import('./deflate.js').then((m) => m.default));
	addDecoder(32773, () => import('./packbits.js').then((m) => m.default));
	addDecoder(34887, () => import('./lerc.js').then((m) => m.default));
	addDecoder(50001, () => import('./webimage.js').then((m) => m.default));

50000 is a reserved identifier for ZSTD: https://github.com/OSGeo/gdal/blob/301f31b9b74cd67edcdc555f7e7a58db87cbadb2/frmts/gtiff/gtiff.h#L117-L119