Metals VS Code v1.5.2

What’s Changed (1.5.0-1.5.2)

• Update VS code documentation (#131) @tgodzik
• Remove debugging line (#125) @olafurpg
• Upgrade to 0.7.0 (#124) @olafurpg
• Implement Tree View Protocol (TVP). (#122) @olafurpg
• Automatically add | when using multiline strings (#121) @tgodzik
• Remove "work in progress" from the description (#119) @gabro
• Add build.sc to workspace detection (#120) @tgodzik
• Fix proper indentation of Scaladocs (#118) @torkelrogstad