docs: add missing installation steps for nitro and typescript projects

apps/docs/content/1.getting-started/2.installation.md

@@ -7,7 +7,7 @@ evlog supports multiple environments: Nuxt, Nitro, and standalone TypeScript.
 
 ## Nuxt
 
-Add evlog as a Nuxt module:
+Install evlog via your preferred package manager:
 
 ::code-group
 ```bash [pnpm]
@@ -24,7 +24,7 @@ bun add evlog
 ```
 ::
 
-Then add it to your Nuxt config:
+Then add it to your Nuxt config using the `evlog/nuxt` module:
 
 ```typescript [nuxt.config.ts]
 export default defineNuxtConfig({
@@ -163,7 +163,24 @@ That's it! You can now use `useLogger(event)` in any API route.
 
 ## Nitro
 
-For standalone Nitro projects (without Nuxt), add evlog as a plugin:
+Install evlog via your preferred package manager:
+
+::code-group
+```bash [pnpm]
+pnpm add evlog
+```
+```bash [npm]
+npm install evlog
+```
+```bash [yarn]
+yarn add evlog
+```
+```bash [bun]
+bun add evlog
+```
+::
+
+Then, add evlog as a Nitro plugin (without Nuxt) using the `evlog/nitro` plugin:
 
 ```typescript [nitro.config.ts]
 export default defineNitroConfig({
@@ -173,7 +190,24 @@ export default defineNitroConfig({
 
 ## Standalone TypeScript
 
-For scripts, workers, CLI tools, or any TypeScript project:
+Install evlog via your preferred package manager:
+
+::code-group
+```bash [pnpm]
+pnpm add evlog
+```
+```bash [npm]
+npm install evlog
+```
+```bash [yarn]
+yarn add evlog
+```
+```bash [bun]
+bun add evlog
+```
+::
+
+Then, use it as any other TypeScript library within your scripts, CLI tools, workers, or apps:
 
 ```typescript [scripts/sync-job.ts]
 import { initLogger, createRequestLogger } from 'evlog'