MQE-942: MFTF Annotation Static Check

Author: tomreece

docs/commands/mftf.md

@@ -477,6 +477,10 @@ vendor/bin/mftf static-checks actionGroupArguments
 vendor/bin/mftf static-checks deprecatedEntityUsage
 ```
 
+```bash
+vendor/bin/mftf static-checks annotations
+```
+
 ```bash
 vendor/bin/mftf static-checks deprecatedEntityUsage -p path/to/mftf/test/module
 ```
@@ -492,6 +496,7 @@ vendor/bin/mftf static-checks testDependencies actionGroupArguments
 |`testDependencies`     | Checks that test dependencies do not violate Magento module's composer dependencies.|
 |`actionGroupArguments` | Checks that action groups do not have unused arguments.|
 |`deprecatedEntityUsage`| Checks that deprecated test entities are not being referenced.|
+|`annotations`| Checks various details of test annotations, such as missing annotations or duplicate annotations.|
          
 #### Defining ruleset