- Added more output from the actual generation commands

- Reformatted some of the text

USAGE.md

@@ -2,13 +2,12 @@
 Install notes
 =============
 
-:warning:
-Make sure to be in the *misp-book* repository directory for the *npm magic*.
+:warning: Make sure to be in the *misp-book* repository directory for the *npm magic*.
 Also: The *npm* plugin *autocover* is broken. It pulls an incompatible *canvas* module version. Thus patched repository used (forked from original)
 
-Tested on: Ubuntu 16.04.4 LTS
+Tested on: *Ubuntu 16.04.4 LTS*
 
-```
+```bash
 curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -
 sudo apt-get install -y nodejs
 sudo apt-get install -y build-essential
@@ -23,21 +22,70 @@ Usage
 
 If you want to generate the PDF output (you need to have Calibre installed):
 
-```
-gitbook pdf
+```bash
+$ time gitbook pdf
+info: 13 plugins are installed
+info: 12 explicitly listed
+info: loading plugin "autocover"... OK
+info: loading plugin "github"... OK
+info: loading plugin "toc"... OK
+info: loading plugin "anchors"... OK
+info: loading plugin "alerts"... OK
+info: loading plugin "advanced-emoji"... OK
+info: loading plugin "highlight"... OK
+info: loading plugin "search"... OK
+info: loading plugin "lunr"... OK
+info: loading plugin "sharing"... OK
+info: loading plugin "fontsettings"... OK
+info: loading plugin "theme-default"... OK
+info: found 23 pages
+info: found 201 asset files
+warn: "options" property is deprecated, use config.get(key) instead
+info: >> generation finished with success in 58.8s !
+info: >> 1 file(s) generated
+gitbook pdf  47.51s user 2.51s system 81% cpu 1:01.21 total
 ```
 
 on macOS (ebook-convert is not in path):
 
-```
-PATH=$PATH:/Applications/calibre.app/Contents/MacOS/ ; gitbook pdf
+```bash
+$ PATH=$PATH:/Applications/calibre.app/Contents/MacOS/ ; gitbook pdf
 ```
 
 and if you want to want to serve the HTML pages on 127.0.0.1:4000:
 
+```bash
+$ time gitbook serve
+Live reload server started on port: 35729
+Press CTRL+C to quit ...
+
+info: 13 plugins are installed
+info: loading plugin "autocover"... OK
+info: loading plugin "github"... OK
+info: loading plugin "toc"... OK
+info: loading plugin "anchors"... OK
+info: loading plugin "alerts"... OK
+info: loading plugin "advanced-emoji"... OK
+info: loading plugin "livereload"... OK
+info: loading plugin "highlight"... OK
+info: loading plugin "search"... OK
+info: loading plugin "lunr"... OK
+info: loading plugin "sharing"... OK
+info: loading plugin "fontsettings"... OK
+info: loading plugin "theme-default"... OK
+info: found 23 pages
+info: found 201 asset files
+warn: "options" property is deprecated, use config.get(key) instead
+info: >> generation finished with success in 42.1s !
+
+Starting server ...
+Serving book on http://localhost:4000
+^C
+gitbook serve  37.61s user 3.75s system 52% cpu 1:19.15 total
 ```
-gitbook serve
-```
+
+:warning: It can take up to 60 seconds for the entire *misp-book* to be generated before the content is available on port 4000. Please be patient ;)
+
 
 macOS Notes
 ===========
@@ -53,12 +101,11 @@ xcode-select --install
 brew install pkg-config cairo pango libpng jpeg giflib
 ```
 
-:warning:
-Make sure to be in the *misp-book* repository directory for the npm magic.
+:warning: Make sure to be in the *misp-book* repository directory for the npm magic.
 
-Installing gitbook and all dependencies wants to look like this (Tested on macOS 11.13.3):
+Installing gitbook and all dependencies wants to look like this (Tested on *macOS 11.13.3*):
 
-```
+```bash
 npm install gitbook git+https://github.com/SteveClement/plugin-autocover.git gitbook-plugin-github gitbook-plugin-toc gitbook-plugin-anchors
 npm install gitbook-cli -g
 gitbook install
@@ -70,10 +117,9 @@ npm salvage
 In case something with npm breaks, this brings you back to a sane default.
 We still assume we are in the *misp-book* repository working directory.
 
-```
+```bash
 rm -rf node_modules
 rm package-lock.json
 rm -rf ~/.gitbook
 sudo rm -rf /usr/local/lib/node_modules/gitbook-cli
 ```
-