feat(docs): add security best practices (tact-lang#1070)

Co-authored-by: Novus Nota <[email protected]>

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Docs: the `description` property to the frontmatter of the each page for better SEO: PR [#916](https://github.com/tact-lang/tact/pull/916)
 - Docs: Google Analytics tags per every page: PR [#921](https://github.com/tact-lang/tact/pull/921)
 - Docs: added NFTs cookbook: PR [#958](https://github.com/tact-lang/tact/pull/958)
+- Docs: added security best practices: PR [#1070](https://github.com/tact-lang/tact/pull/1070)
 - Ability to specify a compile-time method ID expression for getters: PR [#922](https://github.com/tact-lang/tact/pull/922) and PR [#932](https://github.com/tact-lang/tact/pull/932)
 - Destructuring of structs and messages: PR [#856](https://github.com/tact-lang/tact/pull/856), PR [#964](https://github.com/tact-lang/tact/pull/964), PR [#969](https://github.com/tact-lang/tact/pull/969)
 - Docs: automatic links to Web IDE from all code blocks: PR [#994](https://github.com/tact-lang/tact/pull/994)

docs/astro.config.mjs

@@ -189,6 +189,7 @@ export default defineConfig({
 						{ slug: 'book/masterchain' },
 						{ slug: 'book/func' },
 						{ slug: 'book/programmatic' },
+						{ slug: 'book/security-best-practices' },
 					],
 				},
 				{