Add item description and testing framework for Owniverse

- Introduced `item_description.gd` to handle item descriptions with localization support.
- Implemented a testing script `test_descriptions.gd` to validate item description rendering and localization.
- Added a new template file for Russian localization.
- Included a large package file `owniverse.0.6.29-145.pck` for game assets.
- Ensured proper memory management in tests with fixture and dispose functions.

data/templates.en.txt

@@ -725,7 +725,7 @@ Aggression.Description|Evolution and competition.[p]%value0%: %value1%|scale|amo
 Trends.Description|Actions of advanced civilizations.[p]Antitheism: %value0%[p]Integration: %value1%[p]Xenocide: %value2%[p]Reconstruction: %value3%[p]Spirituality: %value4%[p]|antitheism|integration|xenocide|reconstruction|spirituality
 S.Description|%value0%[p]Voids: %value1%[p]Needed for placing objects.|amount|voids|||
 H.Description|%value0%[p]Used to create clouds and stars.|amount||||
-He.Description|%value0%[p]Saves hydrogen.%value1%|amount he / h||||
+He.Description|%value0%[p]Saves hydrogen.%value1%|amount|he / h|||
 Met.Description|%value0%[p]Needed to create planets.[p]Metallicity: %value1%|amount|metallicity|||
 N.Description|%value0%[p]Produces hydrogen.[p]%value2%[p]Baseline lifespan: %value3%|amount||colored costs|lifespan|
 G.Description|%value0%[p]Produces more hydrogen.[p]%value2%[p]Baseline lifespan: %value3%|amount||colored costs|lifespan|
@@ -1183,4 +1183,4 @@ Type1Civilizations.Path|GameHelp/en/Type1Civilizations|||||
 Type2Civilizations.Path|GameHelp/en/Type2Civilizations|||||
 Type3Civilizations.Path|GameHelp/en/Type3Civilizations|||||
 Type4Civilizations.Path|GameHelp/en/Type4Civilizations|||||
-ButtonAbout.Image|Path/To/en/ButtonAbout.webp|||||
+ButtonAbout.Image|Path/To/en/ButtonAbout.webp|||||

data/templates.ru.txt.import

@@ -0,0 +1,3 @@
+[remap]
+
+importer="skip"