Update README.md

+ Add more examples 
+ Update options

README.md

@@ -10,6 +10,8 @@
 
  Example usage:
  
+* `./packgen.js -fR` generate a pack with the latest release version and descriptive output (recommended)
+* `./packgen.js -f -v 1.15` using version "1.15" for pack generation
 * `./packgen.js --lang en_nz` generate a pack using `en_nz` insead of the default `en_gb`
 * `./packgen.js -f` generate a pack with a descriptive output zip E.g. `en_gb-v1.19.1-en_MSE` insead of just `Maoist-Standard-English.zip`
 * `./packgen.js -m https://example.com/mc/game/version_manifest_v2.json -r https://example.com/` with a custom server `example.com`
@@ -170,10 +172,13 @@ zlm_arab
 Options:
   -h, --help             Show help                                     [boolean]
   -V, --version          Show version number                           [boolean]
-  -f, --descriptivefile  Descriptive output E.g. "en_gb-v1.19.1-en_MSE" [boolean]
+  -f, --descriptivefile  descriptive output E.g. "en_gb-v1.19.1-en_MSE"[boolean]
   -l, --lang             <language> base language for pack generation   [string]
+  -v, --verid            <version-id> base version for pack generation  [string]
+  -R, --releaseOnly      use only the *latest* release version         [boolean]
   -m, --manifest         <url> custom manifest endpoint                 [string]
   -r, --resources        <url> custom resources endpoint                [string]
+  -d, --debug            verbose debug output                          [boolean]
 ```
 
 # Why Us