fix: add missing severity (#606)

Author: incendial

CHANGELOG.md

@@ -7,6 +7,7 @@
 * doc: add flutter favorite badge
 * chore: disable github_checks annotations from codecov
 * chore: activate language strict rules
+* fix: add missing severity for rules
 
 ## 4.8.1
 

website/docs/rules/common/avoid-throw-in-catch-block.md

@@ -4,6 +4,10 @@
 
 avoid-throw-in-catch-block
 
+## Severity {#severity}
+
+Warning
+
 ## Description
 
 Call throw in a catch block loses the original stack trace and the original exception.

website/docs/rules/common/avoid-unnecessary-type-assertions.md

@@ -4,6 +4,10 @@
 
 avoid-unnecessary-type-assertions
 
+## Severity {#severity}
+
+Warning
+
 ## Description
 
 Warns about unnecessary usage of 'is' and 'whereType' operators.

website/docs/rules/common/avoid-unnecessary-type-casts.md

@@ -4,6 +4,10 @@
 
 avoid-unnecessary-type-casts
 
+## Severity {#severity}
+
+Warning
+
 ## Description
 
 Warns about of unnecessary use of casting operators.

website/docs/rules/common/prefer-correct-identifier-length.md

@@ -6,6 +6,10 @@
 
 prefer-correct-identifier-length
 
+## Severity {#severity}
+
+Style
+
 ## Description
 
 The rule checks the length of variable names in classes, functions, extensions, mixins, and also checks the value of enum.

website/docs/rules/common/prefer-correct-type-name.md

@@ -6,6 +6,10 @@
 
 prefer-correct-type-name
 
+## Severity {#severity}
+
+Style
+
 ## Description
 
 Rule checks that the type name should only contain alphanumeric characters, start with an uppercase character and span between `min-length` and `max-length` characters in length.