* chore(generation): add script to generate typings automatically
* docs: add a readme.md to state unfinished types
* fix: improve generation and tsconfig files
* chore(generate): add prettier to format generated code
* feat(lodash-es): generate files and remove codes
1. noconflict and runincontext aren't inside lodash-es
2. seq-like function are removed temporarily. see readme.md
* feat(lodash): add a bash script to generate all modules
and remove lodash-es related code in lodash/scripts
* fix(lodash-es): apply the new approach to declare types
for default export constraints in typescript v2.6
see
https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#arbitrary-expressions-are-forbidden-in-export-assignments-in-ambient-contexts
