README: enable-all & disable-all examples

Author: Antonboom

README.md

@@ -46,12 +46,20 @@ $ testifylint ./...
 ## Configuring
 
 ### CLI
-```
+```bash
+# Enable all checkers.
 $ testifylint --enable-all ./...
-$ testifylint --enable=empty,error-is-as ./...
-$ testifylint --enable=expected-actual --expected-actual.pattern=^wanted$ ./...
-$ testifylint --enable=require-error --require-error.fn-pattern="^(Errorf?|NoErrorf?)$" ./...
-$ testifylint --enable=suite-extra-assert-call --suite-extra-assert-call.mode=require ./...
+
+# Enable specific checkers only.
+$ testifylint --disable-all --enable=empty,error-is-as ./...
+
+# Disable specific checkers only.
+$ testifylint --enable-all --disable=empty,error-is-as ./...
+
+# Checkers configuration.
+$ testifylint --expected-actual.pattern=^wanted$ ./...
+$ testifylint --require-error.fn-pattern="^(Errorf?|NoErrorf?)$" ./...
+$ testifylint --suite-extra-assert-call.mode=require ./...
 ```
 
 ### golangci-lint