docs: update docs (#224)

* docs: change authours field

* docs: upgrade docs

docs/Roadmap.md

@@ -1,19 +0,0 @@
-# RoadMap
-
-## Supported SQL Language
-
-- Generic SQL
-
-    <https://github.com/mysql/mysql-workbench/tree/8.0/library/parsers/grammars>
-- [x] PLSQL
-- [x] Hive SQL
-- [x] Unify parser generate to Antlr4
-- [ ] Impala SQL
-- [ ] Spark SQL
-- [ ] FLink SQL
-
-## TODO
-
-- Libra SQL
-- TiDB
-    MySQL Compatible Syntax

docs/Tutorials.md

@@ -1,31 +0,0 @@
-# Tutorials
-
-## Antlr4 installation
-
-## How to extend new grammar
-
-## How to expose Javascript interface in this project
-
-## Integrate with Monaco Editor
-
-## Release
-
-npm run script
-
-```bash
-npm run release -- --release-as minor
-```
-
-Or
-
-```bash
-npm run release -- --release-as 1.1.0
-```
-
-## Reference
-
-- <https://tomassetti.me/writing-a-browser-based-editor-using-monaco-and-antlr/>
-- [SQL](https://en.wikipedia.org/wiki/SQL)
-- [FlinkSQL](https://github.com/apache/flink/blob/master/flink-table/flink-sql-parser/src/test/java/org/apache/flink/sql/parser/CreateTableLikeTest.java)
-- [antlr4 grammar](https://github.com/antlr/grammars-v4/tree/master/sql)
-- <https://github.com/apache/spark/blob/master/sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/SqlBase.g4>