Embed schema files

[Shaddoll]

What changed?

• Refactor schema update tool to support embeddings
• Add schema embeddings

Why?

• To make it easier to access schema files from monorepo

How did you test it?
local test, unit test

Potential risks

Release notes

Documentation Changes

[coveralls]

Pull Request Test Coverage Report for Build 0184f2f0-0a8a-471c-b167-ec2c459e7957

• 16 of 35 (45.71%) changed or added relevant lines in 4 files are covered.
• 63 unchanged lines in 13 files lost coverage.
• Overall coverage increased (+0.009%) to 57.348%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
tools/common/schema/setuptask.go	3	5	60.0%
tools/common/schema/handler.go	2	7	28.57%
tools/common/schema/updatetask.go	8	20	40.0%

Files with Coverage Reduction	New Missed Lines	%
client/history/client.go	2	38.1%
client/history/metricClient.go	2	45.3%
common/persistence/historyManager.go	2	66.67%
common/task/fifoTaskScheduler.go	2	87.63%
common/task/parallelTaskProcessor.go	2	92.75%
common/task/weightedRoundRobinTaskScheduler.go	2	89.12%
service/history/handler.go	2	47.15%
service/history/task/transfer_standby_task_executor.go	2	88.08%
common/persistence/nosql/nosqlplugin/cassandra/workflow.go	3	59.55%
service/frontend/workflowHandler.go	4	59.98%

Totals
Change from base Build 0184ef4f-2220-4702-afd6-6d9859f06d6d:	0.009%
Covered Lines:	85296
Relevant Lines:	148734

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💛 - Coveralls