What this PR does:
support shadow type match value (insert/update/delete)

Which issue(s) this PR fixes:
[Shadow config]
shadow_rule:
tables:
- name: employees.student
enable: true
match_rules:
- operation: [insert, select]
match_type: hint
attributes:
- value: "shadow"
- operation: [update]
match_type: value
attributes:
- column: uid
value: 10000
- operation: [delete]
match_type: regex
attributes:
- column: name
value: "^hanmeimei$"

Test Cases:
[hint mode]
/*A! shadow(shadow) */ INSERT INTO student(id,uid,score,name,nickname,gender,birth_year) values (1,10000,100,'lilei','shadow test',1,1980);
/*A! shadow(shadow) */ SELECT COUNT(1) FROM student WHERE uid = 10000;
[value mode]
UPDATE student SET name = 'hanmeimei' WHERE uid = 10000;
[regex mode]
DELETE FROM student WHERE uid = 10000 AND name = 'hanmeimei';

Fixes #364

Special notes for your reviewer:

Does this PR introduce a user-facing change?: