l10n: (gl) Added Galician Support

[Arqes-0]

Summary

This PR adds support for the Galician Language (gl).

As a native speaker i wanted to contribute adding this language. I checked and made sure the translations are the most accurate and natural possible

Galician is a language spoken in the northwest of Spain. It's spoken by nearly 2.5 M people and it shares origins with Portuguese (they started separating around XIII/XIV centuries ), although today it is also very influenced by the Spanish language

More Info:
Galician Language
Galicia (region)

Changes

Modified all the "src/modules/ModuleName/ModuleName.c" files
Modified "doc/help.json" and "doc/json_schema.json"
Modified "src/common/option.h" and "src/options/display.c"

Screenshots

Checklist

• I have tested my changes locally.

[CarterLi]

Hello, @Arqes-0

I don't speak Galician at all. I asked AI to review this PR, please take a look. At least the bluetooth one seems to make sense to me.

### 1. Capitalization in the Bluetooth module
* **File:** `src/modules/bluetooth/bluetooth.c`
* **Current:** `.gl = "bluetooth",`
* **Suggestion:** Since "Bluetooth" is a proper noun/brand name, it should be capitalized just like in the other languages (e.g., Spanish, French, German). I suggest changing it to `"Bluetooth"`.

### 2. Translation for the "Media" module
* **File:** `src/modules/media/media.c`
* **Current:** `.gl = "Medias",`
* **Suggestion:** In Galician, "medias" typically refers to "socks", "halves", or "averages". For "Media" as in multimedia content, the correct term would be `"Multimedia"` or `"Medios"`. I highly recommend changing it to `"Multimedia"`.

### 3. Translation for the "Weather" module
* **File:** `src/modules/weather/weather.c`
* **Current:** `.gl = "Clima",`
* **Suggestion:** "Clima" translates to "Climate" (as in long-term climate patterns or climate change). The standard word for current "Weather" in Galician is `"Tempo"` (e.g., *previsión do tempo* for weather forecast).

[Arqes-0]

Hi @CarterLi, thank you for the feedback!

I have updated the translations:
bluetooth: I forgot the capital B.

Medias: It is indeed socks.... I fixed it using "Multimedia" because "Medio/s" is not accepted in the dictionary. the correct word for it is "Multimedia".

Clima: As you said, "Tempo" is the correct word for the conditions that are happening right now or very close in time and is the direct translation of weather. I used "Clima" because in other languages, like Spanish, they also used "Clima", which is used for long-term weather. I can also review the Spanish translations if you want more accurate ones!

Thank you again for the feedback!

[CarterLi]

I can also review the Spanish translations if you want more accurate ones!

Yes please.