Add documentation for vita in_development (#81)

* Update docs due to new field VitaEntry#in_development

* Explain "vita" response field

* Precise wording

---------

Co-authored-by: Andreas Venturini <andreas.venturini@gmail.com>

source/index.html.md

@@ -149,6 +149,7 @@ expected_signature == signature["v1"]
 
 
 # Changelog
+- (2024-04-26) **ActorProfile#show**: Add new field `in_development` to Vita<br>
 - (2024-04-12) **ActorProfile#show**: Add new fields `main_profession` and `specializations`<br>
 **ActorProfile#index**: Add new field `main_profession`
 - (2024-03-19) **ActorProfile#show**: Add new field `episode_name` to Vita
@@ -499,6 +500,7 @@ curl "https://www.filmmakers.eu/api/v1/actor_profiles/123" \
         "name": "Schneeflöckchen",
         "year_from": 2019,
         "year_to": 2020,
+        "in_development": false,
         "role": "Jack",
         "role_type": "supporting",
         "distributor": null,
@@ -514,6 +516,7 @@ curl "https://www.filmmakers.eu/api/v1/actor_profiles/123" \
         "name": "The Harmonica ",
         "year_from": 2018,
         "year_to": 2018,
+        "in_development": false,
         "role": "Felix",
         "role_type": "leading",
         "distributor": null,
@@ -532,6 +535,7 @@ curl "https://www.filmmakers.eu/api/v1/actor_profiles/123" \
         "episode_name": "Sophie kommet doch all",
         "year_from": 2015,
         "year_to": 2016,
+        "in_development": false,
         "type_genre": "series",
         "role": "Robert",
         "role_type": "episode_featured_part",
@@ -550,6 +554,7 @@ curl "https://www.filmmakers.eu/api/v1/actor_profiles/123" \
         "name":"Das Dschungelbuch (Jungle Book)",
         "year_from":2001,
         "year_to":2002,
+        "in_development": false,
         "type_genre": null,
         "favorite":false,
         "role":"Mowgli",
@@ -620,6 +625,8 @@ attribute_visibility | hash | Indicates per attribute `age`, `acting_age`, `gend
 profile_visibility | string | Visibility of the profile on Filmmakers (`public` or `private`)
 showreel_ids | Array | Ids of showreels (see `showreels` endpoint)
 showreel_medium_ids | Array | Ids of showreel media that are either connected to a showreel or credits/skills (see also `showreel_media` endpoint)
+vita | hash | A collection of credits, where each entry contains structured data related to a specific credit. The entries are sorted by the following criteria: `in_development` (entries with `true` are prioritized), `year_to`/`year_from` (in descending chronological order), `position` (manually sorted by the user), and `id`. The credits are grouped by type, such as `education`, `television`, `theatre`, etc.
+vita.x[].in_development | boolean | indicates film projects that are still in development, meaning it has not been completed or released yet
 
 # Talent agencies