docs: update readme legend (#34)

Author: 43081j

README.md

@@ -81,6 +81,7 @@ Copying these rules into your `rules` object will achieve the same effect as usi
 - ✅ = Yes / Enabled
 - ✖️ = No / Disabled
 - 💡 = Has suggestions (requires user confirmation for fixes)
+- 🔶 = Optionally uses types (works without TypeScript but more powerful with it)
 
 ### Modernization
 
@@ -114,11 +115,6 @@ Copying these rules into your `rules` object will achieve the same effect as usi
 | [prefer-date-now](./src/rules/prefer-date-now.ts) | Prefer `Date.now()` over `new Date().getTime()` and `+new Date()` | ✅ | ✅ | ✖️ |
 | [prefer-regex-test](./src/rules/prefer-regex-test.ts) | Prefer `RegExp.test()` over `String.match()` and `RegExp.exec()` when only checking for match existence | ✅ | ✅ | 🔶 |
 
-**Legend for "Requires Types" column:**
-- ✖️ = Does not require types
-- ✅ = Requires types
-- 🔶 = Optionally uses types (works without TypeScript but more powerful with it)
-
 ## License
 
 MIT