Use RFC 4648 for base64 encoding, fix force_try violation

Replace Foundation's base64EncodedString with RFC 4648 compliant
implementation. Handle encoding failure gracefully with null fallback.

Author: coenttb

.gitignore

@@ -23,3 +23,7 @@ Thumbs.db
 !CODE_OF_CONDUCT.md
 !SECURITY.md
 !**/*.docc/**/*.md
+
+
+# SwiftLint Remote Config Cache
+.swiftlint/RemoteConfigCache

.swiftlint.yml

@@ -1,42 +1,6 @@
-disabled_rules:
-  - line_length
-  - trailing_comma
-  - redundant_discardable_let
-  - identifier_name  # Allow short variable names (i, x, y, etc.)
-  - large_tuple  # Allow tuples with more than 2 members
-  - optional_data_string_conversion  # False positive with String(decoding:as:)
-  - for_where  # False positives when for loops have complex logic, not just filtering
-  - todo  # Allow TODO comments for tracking future work
-  - type_body_length  # Don't enforce maximum type body length
-  - nesting  # Allow nested types for hierarchical APIs
-  - type_name  # Allow flexible test suite naming (lowercase, special chars, etc.)
-  - cyclomatic_complexity  # Allow complex inline logic over helper extraction
-  - implicit_optional_initialization  # Allow explicit = nil initialization
-  - function_body_length  # Allow longer inline functions
-  - file_length  # Allow longer files
+# SwiftLint configuration
+# Inherits from the shared parent configuration in swift-standards
 
-opt_in_rules:
-  - explicit_init
-  - closure_spacing
-  - empty_count
-  - empty_string
-  - fatal_error_message
-  - first_where
-  - joined_default_parameter
-  - operator_usage_whitespace
-  - overridden_super_call
+parent_config: https://raw.githubusercontent.com/swift-standards/swift-standards/main/.swiftlint.yml
 
-included:
-  - Sources
-  - Tests
-
-excluded:
-  - .build
-  - Carthage
-  - Pods
-  - fastlane
-
-# Function parameter count (kept as a reasonable limit)
-function_parameter_count:
-  warning: 6
-  error: 8
+# Package-specific overrides (if needed)

Sources/HTML/HTML Enhancements/String.StringInterpolation.swift

@@ -7,6 +7,7 @@
 
 import Foundation
 import HTML_Rendering
+import RFC_4648
 
 extension String.StringInterpolation {
     public mutating func appendInterpolation(html value: some HTML.View) {
@@ -29,7 +30,11 @@ extension String.StringInterpolation {
 
 extension String.StringInterpolation {
     public mutating func appendInterpolation(json value: some Codable) {
-        let json = try! JSONEncoder().encode(value).base64EncodedString()
+        guard let data = try? JSONEncoder().encode(value) else {
+            appendLiteral("`null`")
+            return
+        }
+        let json = Array(data).base64.encoded()
         appendLiteral(#"`\#(json)`"#)
     }
 }