Revert "Remove VB.NET"

This reverts commit 644d73e.

Author: gregory-paidis-sonarsource

rules/S1312/vbnet/compliant.adoc

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+[source,vbnet,diff-id=1,diff-type=compliant]
+----
+Private Shared ReadOnly logger As Logger
+----

rules/S1312/vbnet/metadata.json

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+{
+    "title": "Logger fields should be \"Private Shared ReadOnly\"",
+    "quickfix": "targeted"
+}
+  

rules/S1312/vbnet/noncompliant.adoc

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+[source,vbnet,diff-id=1,diff-type=noncompliant]
+----
+Public logger As Logger
+----

rules/S1312/vbnet/resources.adoc

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+* Microsoft Learn - https://learn.microsoft.com/en-us/dotnet/visual-basic/programming-guide/language-features/declared-elements/access-levels[Access levels]
+* Microsoft Learn - https://learn.microsoft.com/en-us/dotnet/visual-basic/language-reference/modifiers/shared[`Shared` class members]
+* Microsoft Learn - https://learn.microsoft.com/en-us/dotnet/visual-basic/language-reference/modifiers/readonly[`ReadOnly`]

rules/S1312/vbnet/rule.adoc

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+:language: vbnet
+:private: Private
+:static: Shared
+:readonly: ReadOnly
+
+include::../rule-dotnet.adoc[]