feat(RES-57): Add visibility to control scope of generated code (#18)

Add visibility parameter: public, package, internal, private
Impacted command: analytics, colors, fonts, images, strings, tags

Reviewed-on: #18

README.md

@@ -144,9 +144,7 @@ Analytics will generate all you need to analyze UX with Matomo or Firebase Analy
 ```sh
 swift run -c release ResgenSwift analytics $FORCE_FLAG "./Tags/analytics.yml" \
  --target "matomo firebase" \
- --extension-output-path "./Analytics/Generated" \
- --extension-name "AppAnalytics" \
- --extension-suffix "GreatApp" \
+ --output-file "./Analytics/Generated/AppAnalytics+GreatApp.swift" \
  --static-members true
 ```
  
@@ -155,9 +153,7 @@ swift run -c release ResgenSwift analytics $FORCE_FLAG "./Tags/analytics.yml" \
 1. `-f`: force generation
 2. Input tags file (must be YAML formatted)
 3. `--target`: target with you will log UX
-4. `--extension-output-path`: path where to generate generated extension
-5. `--extension-name` *(optional)* : name of class to add the extension
-6. `--extension-suffix` *(optional)* : additional text which is added to filename (ex: `AppAnalytics+GreatApp.swift`)
+4. `--output-file`: file where where to generate generated code, must contains path and filename (ex: `./Analytics/Generated/AppAnalytics+GreatApp.swift`)
 7. `--static-members` *(optional)*: generate static properties or not
 
 > ⚠️ If extension name is not set or is `Analytics`, it will generate the following typealias `typealias Analytics = String`.