fix(about docs): update readme, contribution guide, and "about" section

[jharrell]

Resolves WEB-355

[github-actions]

Absolute URL check

No absolute URLs to prisma.io/docs found.

[github-actions]

Redirect check

This PR probably requires the following redirects to be added to static/_redirects:

/about/prisma-docs/style-guide/writing-style /docs/about/style-guide/writing-style
/about/prisma-docs/style-guide/word-choice /docs/about/style-guide/word-choice
/about/prisma-docs/style-guide/spelling-punctuation-formatting /docs/about/style-guide/spelling-punctuation-formatting
/about/prisma-docs/style-guide/schema-models /docs/about/style-guide/schema-models
/about/prisma-docs/style-guide/prisma-product-names /docs/about/style-guide/prisma-product-names
/about/prisma-docs/style-guide/image-guidelines /docs/about/style-guide/image-guidelines
/about/prisma-docs/style-guide/user-interace-guidelines /docs/about/style-guide/user-interace-guidelines
/about/prisma-docs/style-guide/boilerplate-content /docs/about/style-guide/boilerplate-content
/about/prisma-docs/style-guide/images/save-multiple-changes.png /docs/about/style-guide/images/save-multiple-changes.png
/about/prisma-docs/style-guide/images/snagit-arrow-line-config.png /docs/about/style-guide/images/snagit-arrow-line-config.png
/about/prisma-docs/style-guide/images/snagit-screenshot-shadow-config.png /docs/about/style-guide/images/snagit-screenshot-shadow-config.png
/about/prisma-docs/style-guide/images/snagit-text-annotation-config.png /docs/about/style-guide/images/snagit-text-annotation-config.png
/about/prisma-docs/style-guide /docs/about/style-guide
/about/prisma-docs/about-the-docs /docs/##( TODO: Path of page that replaces deleted page )##
/about/prisma-docs /docs/##( TODO: Path of page that replaces deleted page )##
/about/prisma-docs/docs-components/examples /docs/about/docs-components/examples
/about/prisma-docs/docs-components/frontmatter /docs/about/docs-components/frontmatter
/about/prisma-docs/docs-components /docs/about/docs-components
/about/prisma-docs/template /docs/about/template
/about/prisma-docs/_category_.json /docs/about/_category_.json

[github-actions]

original	preview
content/600-about/index.mdx	content/600-about/index.mdx
content/600-about/20-style-guide/01-writing-style.mdx	content/600-about/20-style-guide/01-writing-style.mdx
content/600-about/20-style-guide/02-word-choice.mdx	content/600-about/20-style-guide/02-word-choice.mdx
content/600-about/20-style-guide/03-spelling-punctuation-formatting.mdx	content/600-about/20-style-guide/03-spelling-punctuation-formatting.mdx
content/600-about/20-style-guide/04-schema-models.mdx	content/600-about/20-style-guide/04-schema-models.mdx
content/600-about/20-style-guide/05-prisma-product-names.mdx	content/600-about/20-style-guide/05-prisma-product-names.mdx
content/600-about/20-style-guide/06-image-guidelines.mdx	content/600-about/20-style-guide/06-image-guidelines.mdx
content/600-about/20-style-guide/07-user-interace-guidelines.mdx	content/600-about/20-style-guide/07-user-interace-guidelines.mdx
content/600-about/20-style-guide/10-boilerplate-content.mdx	content/600-about/20-style-guide/10-boilerplate-content.mdx
content/600-about/20-style-guide/index.mdx	content/600-about/20-style-guide/index.mdx
content/600-about/30-docs-components/01-mdx-examples.mdx	content/600-about/30-docs-components/01-mdx-examples.mdx
content/600-about/30-docs-components/03-frontmatter.mdx	content/600-about/30-docs-components/03-frontmatter.mdx
content/600-about/30-docs-components/index.mdx	content/600-about/30-docs-components/index.mdx
content/600-about/40-template.mdx	content/600-about/40-template.mdx

[cloudflare-workers-and-pages]

Deploying docs with    Cloudflare Pages

Latest commit:	8d9ed4f
Status:	✅  Deploy successful!
Preview URL:	https://80456c1c.docs-51g.pages.dev
Branch Preview URL:	https://fix-readme-and-contribution.docs-51g.pages.dev

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