add solidity syntax highlighting for codemirror

[serapath]

@todo

• syntax highlighting solidity (code mirror 5 & code mirror 6 compatible)
  • for details check: google docs todo list
  • https://gitter.im/ethereum/play?at=5cbfe09c97dcb371d8031305
• integrate syntax highlighting into editor yet,
  • https://alincode.github.io/codemirror-solidity/
• integrate into https://carbon.now.sh/

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results:

• https://github.com/alincode/CodeMirror

resources:

• WIP Add NPM package for Solidity syntax highlighting. ethereum/remix-ide#1415
• https://www.npmjs.com/package/ace-mode-solidity
• https://github.com/raphaelhuefner/ace-mode-solidity
• https://github.com/raphaelhuefner/ace-mode-solidity/blob/master/lib/ace/mode/solidity_highlight_rules.js
• https://github.com/raphaelhuefner/ace-mode-solidity/blob/master/lib/ace/mode/solidity.js
• https://www.raymondcamden.com/2018/06/18/my-first-stab-at-a-grammar-extension-for-vs-code

got some inspiration and wonder if it makes sense to have scope highlighting in solidity.
Don't know the exact scoping rules of solidity yet i have to say, but here is the link:

• https://github.com/daniellmb/JavaScript-Scope-Context-Coloring

todo list:

https://docs.google.com/spreadsheets/d/1xEGdDAK-2_dKgGZbkieaWAfOkNd-LYA07t3llkAmFYI/edit?usp=sharing

code:

https://github.com/alincode/CodeMirror

https://alincode.github.io/codemirror-solidity/
https://www.npmjs.com/package/codemirror-solidity