Update project configuration and assets

- Simplify ESLint configuration by removing unused globals
- Update logo.png for documentation site
- Add docs build artifacts to .gitignore

Author: knowledgecode

.gitignore

@@ -1,6 +1,7 @@
 .DS_Store
 .claude/
 CLAUDE.md
+cache/
 coverage/
 dist/
-node_modules/
+node_modules/

eslint.config.ts

@@ -1,16 +1,14 @@
 import tseslint from 'typescript-eslint';
-import globals from 'globals';
 
 export default tseslint.config(
   ...tseslint.configs.strict,
   ...tseslint.configs.stylistic,
   {
+    files: ['**/*.ts'],
     languageOptions: {
       ecmaVersion: 2021,
       sourceType: 'module',
       globals: {
-        ...globals.browser,
-        ...globals.node
       },
       parserOptions: {
         project: './tsconfig.json',