Docs: Sections that need to be created/edited

[lhstrh]

• Tooling > VS Code plugin ((@lhstrh , @petervdonovan)
• Tooling > Epoch IDE (@revol-xut, @edwardalee )
• Tooling > CLI tools (@lhstrh, @cmnrd)
• Tooling > Setup for Rust (@oowekyala)
• Tooling > Setup for Cpp (@revol-xut, @cmnrd)
• Tooling > Setup for TypeScript (@lhstrh, @hokeun)
• Tooling > Setup for C (@revol-xut, @cmnrd)
• Target Specification