add OAuth login flow with token storage

[elchananarb]

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Description

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References

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Testing

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Checklist

• I have added documentation for new/changed functionality in this PR (if applicable).
• All active GitHub checks for tests, formatting, and security are passing
• The correct base branch is being used

[github-actions]

Checkmarx One – Scan Summary & Details – 2bb29878-6072-4fa3-9f2a-0938e04c91b6

New Issues (5)

Checkmarx found the following issues in this Pull Request

Severity	Issue	Source File / Package	Checkmarx Insight
	Missing_HSTS_Header	/src/extension.ts: 104	details The web-application does not define an HSTS header, leaving it vulnerable to attack. Attack Vector
	Log_Forging	/src/extension.ts: 95	details Method Lambda at line 95 of /src/extension.ts gets user input from element req. This element’s value flows through the code without being properly ... Attack Vector
	Log_Forging	/src/extension.ts: 95	details Method Lambda at line 95 of /src/extension.ts gets user input from element req. This element’s value flows through the code without being properly ... Attack Vector
	Log_Forging	/src/extension.ts: 95	details Method Lambda at line 95 of /src/extension.ts gets user input from element req. This element’s value flows through the code without being properly ... Attack Vector
	Missing_CSP_Header	/src/extension.ts: 104	details A Content Security Policy is not explicitly defined within the web-application. Attack Vector