fix: use existing vscode-icons for readme and other docs files (#16)

Author: azat-io

app/utils/file-icons.ts

@@ -246,16 +246,22 @@ const FILENAME_ICONS: Record<string, string> = {
   'extensions.json': 'i-vscode-icons-file-type-vscode',
 
   // Documentation
-  'README': 'i-vscode-icons-file-type-readme',
-  'README.md': 'i-vscode-icons-file-type-readme',
-  'readme.md': 'i-vscode-icons-file-type-readme',
-  'CHANGELOG': 'i-vscode-icons-file-type-changelog',
-  'CHANGELOG.md': 'i-vscode-icons-file-type-changelog',
-  'CONTRIBUTING.md': 'i-vscode-icons-file-type-contributing',
-  'CODE_OF_CONDUCT.md': 'i-vscode-icons-file-type-codeofconduct',
+  'README': 'i-vscode-icons-file-type-markdown',
+  'README.md': 'i-vscode-icons-file-type-markdown',
+  'readme.md': 'i-vscode-icons-file-type-markdown',
+  'Readme.md': 'i-vscode-icons-file-type-markdown',
+  'CHANGELOG': 'i-vscode-icons-file-type-markdown',
+  'CHANGELOG.md': 'i-vscode-icons-file-type-markdown',
+  'changelog.md': 'i-vscode-icons-file-type-markdown',
+  'CONTRIBUTING.md': 'i-vscode-icons-file-type-markdown',
+  'contributing.md': 'i-vscode-icons-file-type-markdown',
+  'CODE_OF_CONDUCT.md': 'i-vscode-icons-file-type-markdown',
   'LICENSE': 'i-vscode-icons-file-type-license',
   'LICENSE.md': 'i-vscode-icons-file-type-license',
   'LICENSE.txt': 'i-vscode-icons-file-type-license',
+  'license': 'i-vscode-icons-file-type-license',
+  'license.md': 'i-vscode-icons-file-type-license',
+  'license.txt': 'i-vscode-icons-file-type-license',
 
   // Node
   '.npmrc': 'i-vscode-icons-file-type-npm',