Add Deno commands to docs (#19419)

docs/install.md

@@ -36,6 +36,13 @@ pnpm add --save-dev --save-exact prettier@%PRETTIER_VERSION%
 bun add --dev --exact prettier@%PRETTIER_VERSION%
 ```
 
+</TabItem>
+<TabItem value="deno">
+
+```bash
+deno install --dev --save-exact prettier@%PRETTIER_VERSION%
+```
+
 </TabItem>
 </Tabs>
 
@@ -136,6 +143,19 @@ If you forget to install Prettier first, `bunx` will temporarily download the la
 
 :::
 
+</TabItem>
+<TabItem value="deno">
+
+```bash
+deno x prettier . --write
+```
+
+:::info
+
+What is `deno x` doing at the start? It runs the locally installed Prettier. We’ll leave off the `deno x` part for brevity throughout the rest of this file!
+
+:::
+
 </TabItem>
 </Tabs>
 
@@ -219,6 +239,15 @@ bunx husky init
 bun --eval "fs.writeFileSync('.husky/pre-commit','bunx lint-staged\n')"
 ```
 
+</TabItem>
+<TabItem value="deno">
+
+```bash
+deno install --dev husky lint-staged
+deno x husky init
+deno eval "Deno.writeTextFileSync('.husky/pre-commit','deno x lint-staged\n')"
+```
+
 </TabItem>
 </Tabs>