modify SymbolToken to InsertColumnToken and add parser-result for sha…

[tristaZero]

…rding-core.

Fixes #758 .

Changes proposed in this pull request:

• Modify SymbolToken to InsertColumnToken
• Add some sql-parser-results of insert without colums for sharding-core.

[codecov-io]

Codecov Report

Merging #772 into dev will increase coverage by 0.03%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##              dev     #772      +/-   ##
==========================================
+ Coverage   64.46%   64.49%   +0.03%     
==========================================
  Files         484      484              
  Lines        9547     9547              
  Branches     1571     1571              
==========================================
+ Hits         6154     6157       +3     
+ Misses       3059     3053       -6     
- Partials      334      337       +3

Impacted Files	Coverage Δ
...c/core/parsing/parser/token/InsertColumnToken.java	0% <ø> (ø)
...rsing/parser/clause/InsertColumnsClauseParser.java	96.87% <100%> (ø)	⬆️
...io/shardingjdbc/core/rewrite/SQLRewriteEngine.java	96.8% <75%> (ø)	⬆️
.../internal/config/ConfigurationListenerManager.java	75% <0%> (+3.57%)	⬆️
...ternal/state/instance/InstanceListenerManager.java	42.3% <0%> (+3.84%)	⬆️
...al/state/datasource/DataSourceListenerManager.java	54.54% <0%> (+4.54%)	⬆️

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