docs(angular): add version compatibility matrix

[Coly010]

Add the much-requested version compatibility matrix between Nx versions and Angular versions

[nx-cloud-staging[bot]]

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✅ Successfully ran 12 targets

• nx affected --target=e2e --base=af83ffb9e825b89514c4eea0d1ea0e058164d48a --head=25e94e60af0ea76e62708014584af57eef5c18bc --exclude=e2e-storybook,e2e-storybook-angular,e2e-react-native,e2e-detox --parallel=1
• nx affected --target=build --base=af83ffb9e825b89514c4eea0d1ea0e058164d48a --head=25e94e60af0ea76e62708014584af57eef5c18bc --parallel=3
• nx affected --target=test --base=af83ffb9e825b89514c4eea0d1ea0e058164d48a --head=25e94e60af0ea76e62708014584af57eef5c18bc --parallel=1
• nx affected --target=lint --base=af83ffb9e825b89514c4eea0d1ea0e058164d48a --head=25e94e60af0ea76e62708014584af57eef5c18bc --parallel=3
• nx-cloud record -- yarn nx workspace-lint
• nx-cloud record -- yarn documentation
• nx build typedoc-theme
• nx-cloud record -- yarn depcheck
• nx-cloud record -- yarn check-lock-files
• nx-cloud record -- yarn check-commit
• nx-cloud record -- yarn nx format:check --base=af83ffb9e825b89514c4eea0d1ea0e058164d48a --head=25e94e60af0ea76e62708014584af57eef5c18bc
• nx-cloud record -- yarn check-imports

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Name	Status	Preview	Updated
nx-dev	❌ Failed (Inspect)		Aug 11, 2022 at 1:48PM (UTC)

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