fix: format all Go files with gofmt

- Fix alignment in struct fields (sessionProfileResponse, textureInfo, Handler)
- Align struct field values in internal/templates/templates.go, internal/api/api.go

internal/cas/cas.go

@@ -20,18 +20,18 @@ import (
 
 // mimeByExtension maps common file extensions to MIME types for CAS serving.
 var mimeByExtension = map[string]string{
-	".jar":  "application/java-archive",
-	".json": "application/json",
-	".png":  "image/png",
-	".zip":  "application/zip",
-	".toml": "application/toml",
-	".cfg":  "text/plain",
-	".conf": "text/plain",
-	".txt":  "text/plain",
-	".log":  "text/plain",
-	".xml":  "application/xml",
-	".yml":  "application/x-yaml",
-	".yaml": "application/x-yaml",
+	".jar":        "application/java-archive",
+	".json":       "application/json",
+	".png":        "image/png",
+	".zip":        "application/zip",
+	".toml":       "application/toml",
+	".cfg":        "text/plain",
+	".conf":       "text/plain",
+	".txt":        "text/plain",
+	".log":        "text/plain",
+	".xml":        "application/xml",
+	".yml":        "application/x-yaml",
+	".yaml":       "application/x-yaml",
 	".properties": "text/plain",
 }