TOC modify & Second version of dev-guide

[uglyengineer]

TiDB New 4.0 TOC

Developer Guide (Parallel with TiDB/Tools/TiDB Cloud)

Draft 1: https://docs.google.com/document/d/1QlamtLNe8_3F7Nf3XoXCgCRfuCy4AwPqdCQPdax1gZ8/edit
Draft 2: https://shimo.im/docs/QjxT93yWpYqtPtqy

Contents No.	Contents	Progress	Comments
1	Install the MySQL Client	content draft ready, waiting for pr
2	Connect to the TiDB Database
2.1	Command Line Tools	content draft ready, waiting for pr
2.1.1	MySQL Client	content draft ready, waiting for pr
2.2	Graphical Tools
2.2.1	DBeaver	content draft ready, waiting for pr
2.2.2	Navicat	content draft ready, waiting for pr
2.2.3	phpMyAdmin
2.2.4	Workbench
2.3	Drivers
2.3.1	Java
2.3.2	C++		need Dev support
2.3.3	Go		need Dev support
2.3.4	Python		need Dev support
2.3.5	JavaScript		need Dev support
3	Create and Manage Database Objects
3.1	Create and Manage Schemas	pr ready, waiting for on-line	database-management.md
3.2	Create and Manage Tables	pr ready, waiting for on-line	table-management.md
3.3	Create and Manage Partitioned Tables
3.4	Create and Manage Views
3.5	Create and Manage Indexes	pr ready, waiting for on-line	index-management.md
4	TiDB Transactions	pr (only links) ready, waiting for review & on-line	transaction.md
5	Basic DML Statements		merged with part 3
5.1	Write Data		merged with part 3
5.2	Update Data		merged with part 3
5.3	Delete Data		merged with part 3
5.4	Query Data		merged with part 3
6	Handle Errors and Troubleshoot	pr (only links) ready, waiting for review & on-line	troubleshooting.md
7	Use TiFlash	pr (only links) ready, waiting for review & on-line	troubleshooting-tiflash.md
8	Performance Tuning	pr (only links) ready, waiting for review & on-line	performance-optimization.md
9	Data Migration	pr (only links) ready, waiting for review & on-line	data-migration.md
10	TiCDC Open Protocol
10.1	Column and DDL Type Codes
11	Old Application Transformation and Adaptation
12	Application Development Examples
12.1	Java
12.1.1	ODBC
12.1.2	Mybatis		do not have for now
12.1.3	Hibernate		do not have for now
12.2	Go		need Dev support
12.3	C++		need Dev support
12.4	Python		need Dev support
12.5	JavaScript		need Dev support
13	Common Parameters		configuration.md
14	Basic Principles		basic-principles.md