Handbook update

[navya9singh]

• Separate page for Isolated Declarations https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-5.html#isolated-declarations.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-5.html#the-configdir-template-variable-for-configuration-files to be added to 'What is tsconfig.json' page, which should be added to 'The Basics' page.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-3.html#resolution-mode-supported-in-all-module-modes should be added to 'Modules Reference' section.
• Decorators should get a new page/separate pages.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-0.html#supporting-multiple-configuration-files-in-extends - There should a new 'quick tsconfig' page where this should be added.
• @overload and @import need to be added to https://www.typescriptlang.org/docs/handbook/jsdoc-supported-types.html.
• satisfies operator https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-9.html#the-satisfies-operator needs to be added to https://www.typescriptlang.org/docs/handbook/jsx.html#the-as-operator.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-7.html#instantiation-expressions should be added to 'Mor on Functions/Generic Functions' page.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-7.html#extends-constraints-on-infer-type-variables needs to be added to https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-7.html#extends-constraints-on-infer-type-variables.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-7.html#optional-variance-annotations-for-type-parameters can be explained in a few sentences and added.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-7.html#resolution-mode needs to be added to Modules Reference.
• Dependent Parameters https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-6.html#control-flow-analysis-for-dependent-parameters should be added to the Control Flow Analysis section.
• https://www.typescriptlang.org/docs/handbook/2/conditional-types.html should be added to the 'Reference' page.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-4-0.html#short-circuiting-assignment-operators should be added to the 'Reference' section
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-9.html#ts-ignore-or-ts-expect-error should be added to 'The Basics' section.
• Explain Generators in https://www.typescriptlang.org/docs/handbook/iterators-and-generators.html#handbook-content.
• Add https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-6.html#stricter-generators to the above Generators section.
• https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#assertion-functions needs to be added to the 'Narrowing' section.
• reverse-mapped types explanation is missing