Update External Dependency: Pako (#19474)

* Move pako dependency

* Manage Pako version in Package.json

* Add back Pako js

Listing the externals we are using through their NPM equivalent to be
caught by automated security vulnerability scans

Author: zoracon

chromium/external/README.md

@@ -4,7 +4,7 @@ This directory contains files that are external dependencies for HTTPS Everywher
 
 ## CodeMirror 5.31.0
 
-```
+```bash
 $ npm install [email protected]
 $ npm install [email protected]
 $ curl -o codemirror.zip https://codemirror.net/codemirror-5.31.0.zip
@@ -40,14 +40,15 @@ uglifycss \
   --output codemirror-5.31.0.min.css \
   codemirror-5.31.0/lib/codemirror.css
 ```
+
 ## Pako 1.0.5
 
-```
-$ npm install [email protected]
-```
+`$ npm install [email protected]`
 
 ### pako_inflate.min.js
 
-```
+```bash
+
 $ cp node_modules/pako/dist/pako_inflate.js pako-1.0.5/pako_inflate.min.js
-```
+
+```