chore: add csp to storybook deployments

[gavinbarron]

Closes #2901

PR Type

• Refactor
• Other... Please describe: Chore

Description of the changes

refactors inline CSS and JavaScript in manager.html and preview.html to be imported into or sourced in the associated JavaScript file
Adds code to the post build processing script to add a CSP meta tag to the HTML page

PR checklist

• Project builds (yarn build) and changes have been tested in at least two supported browsers (Edge + non-Chromium based browser)
• All public APIs (classes, methods, etc) have been documented following the jsdoc syntax
• Stories have been added and existing stories have been tested
• Added appropriate documentation. Docs PR:

• License header has been added to all new source files (yarn setLicense)
• Contains NO breaking changes

Other information

[github-actions]

📖 The updated storybook is available here

[github-actions]

📖 The updated storybook is available here

[github-actions]

📖 The updated storybook is available here

[github-actions]

Package	Line Rate	Branch Rate	Complexity	Health
mgt-components.src.components	81%	100%	0	✔
mgt-components.src.components.mgt-contact	68%	83%	0	➖
mgt-components.src.components.mgt-file	51%	100%	0	➖
mgt-components.src.components.mgt-file-list	56%	100%	0	➖
mgt-components.src.components.mgt-file-list.mgt-file-upload	49%	88%	0	❌
mgt-components.src.components.mgt-get	30%	100%	0	❌
mgt-components.src.components.mgt-messages	66%	100%	0	➖
mgt-components.src.components.mgt-organization	47%	100%	0	❌
mgt-components.src.components.mgt-person	81%	65%	0	✔
mgt-components.src.components.mgt-person-card	66%	47%	0	➖
mgt-components.src.components.mgt-picker	78%	100%	0	✔
mgt-components.src.components.mgt-profile	40%	100%	0	❌
mgt-components.src.components.mgt-tasks-base	77%	100%	0	✔
mgt-components.src.components.mgt-theme-toggle	100%	100%	0	✔
mgt-components.src.components.mgt-todo	79%	100%	0	✔
mgt-components.src.components.sub-components.mgt-arrow-options	71%	100%	0	➖
mgt-components.src.components.sub-components.mgt-flyout	78%	53%	0	✔
mgt-components.src.components.sub-components.mgt-spinner	100%	100%	0	✔
mgt-components.src.graph	38%	89%	0	❌
mgt-components.src.styles	92%	80%	0	✔
mgt-components.src.utils	79%	27%	0	✔
mgt-element.dist.es6.components.src.components	73%	79%	0	➖
mgt-element.dist.es6.mock.src.mock	91%	77%	0	✔
mgt-element.dist.es6.providers.src.providers	85%	72%	0	✔
mgt-element.dist.es6.src	91%	80%	0	✔
mgt-element.dist.es6.utils.src.utils	66%	69%	0	➖
mgt-element.src	88%	100%	0	✔
mgt-element.src.components	78%	100%	0	✔
mgt-element.src.mock	81%	56%	0	✔
mgt-element.src.providers	80%	85%	0	✔
mgt-element.src.utils	71%	90%	0	➖
Summary	66% (14140 / 21431)	64% (425 / 660)	0	➖

[musale]

Good to go 🚀