chore: switch biome and source to space indentation

Author: asyrjasalo

biome.json

@@ -1,7 +1,7 @@
 {
-	"$schema": "https://biomejs.dev/schemas/2.4.12/schema.json",
-	"linter": { "enabled": true, "rules": { "recommended": true } },
-	"formatter": { "enabled": true, "indentStyle": "tab" },
-	"javascript": { "formatter": { "semicolons": "asNeeded" } },
-	"files": { "includes": ["src/**", "test/**"] }
+  "$schema": "https://biomejs.dev/schemas/2.4.12/schema.json",
+  "linter": { "enabled": true, "rules": { "recommended": true } },
+  "formatter": { "enabled": true, "indentStyle": "space" },
+  "javascript": { "formatter": { "semicolons": "asNeeded" } },
+  "files": { "includes": ["src/**", "test/**"] }
 }