feat: add sample of useful denied chars

Fix CorentinTh#1206

Author: sharevb

components.d.ts

@@ -144,6 +144,7 @@ declare module '@vue/runtime-core' {
     NLayout: typeof import('naive-ui')['NLayout']
     NLayoutSider: typeof import('naive-ui')['NLayoutSider']
     NMenu: typeof import('naive-ui')['NMenu']
+    NP: typeof import('naive-ui')['NP']
     NScrollbar: typeof import('naive-ui')['NScrollbar']
     NSlider: typeof import('naive-ui')['NSlider']
     NSpace: typeof import('naive-ui')['NSpace']

src/tools/token-generator/token-generator.tool.vue

@@ -50,7 +50,7 @@ const { copy } = useCopy({ source: tokens, text: t('tools.token-generator.copied
         </n-space>
       </n-form>
 
-      <n-form-item label="Denied Characters" label-placement="left">
+      <n-form-item label="Denied Characters (ie, visually similar { oO01lI } or punctuations)" label-placement="top">
         <c-input-text
           v-model:value="deniedChars"
           placeholder="Put characters to deny from token"