fix: preserve file permissions during unpack operation - #43

Replace ``node·${cliPath}·unpack·${execPackedFilePath}·${execUnpackedDir}`,` with `⏎··········`node·${cliPath}·unpack·${execPackedFilePath}·${execUnpackedDir}`,⏎·········`

Replace `executableScript,·"#!/bin/bash\necho·'Hello·from·executable'"` with `⏎··········executableScript,⏎··········"#!/bin/bash\necho·'Hello·from·executable'",⏎········`

Delete `········`

Delete `············`

Insert `);⏎`

Replace `'utf8',·offset·+·46,·offset·+·46·+·filenameLength);` with `⏎··············"utf8",⏎··············offset·+·46,⏎··············offset·+·46·+·filenameLength,`

Delete `········`

Delete `········`

Delete `······`