feat: render Github Markdown Tables in the text hover

commit 68f9534 added the necessary
plugin for support for Github Markdown Tables but this library was not
properly wired up. This commit correctly wires Github Markdown Tables
support.

Author: rubenporras

org.eclipse.lsp4e/META-INF/MANIFEST.MF

@@ -41,7 +41,8 @@ Require-Bundle: org.eclipse.core.runtime;bundle-version="3.12.0",
  org.eclipse.e4.core.commands,
  org.eclipse.compare.core,
  org.eclipse.compare,
- org.commonmark;bundle-version="0.23.0"
+ org.commonmark;bundle-version="0.23.0",
+ org.commonmark.ext-gfm-tables;bundle-version="0.23.0"
 Bundle-ClassPath: .
 Bundle-Localization: plugin
 Bundle-ActivationPolicy: lazy

org.eclipse.lsp4e/src/org/eclipse/lsp4e/operations/hover/LSPTextHover.java

@@ -29,6 +29,8 @@
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
 
+import org.commonmark.Extension;
+import org.commonmark.ext.gfm.tables.TablesExtension;
 import org.commonmark.node.Node;
 import org.commonmark.parser.Parser;
 import org.commonmark.renderer.html.HtmlRenderer;
@@ -111,9 +113,10 @@ public class LSPTextHover implements ITextHover, ITextHoverExtension, ITextHover
 					.collect(Collectors.joining("\n\n")) //$NON-NLS-1$
 					.trim();
 			if (!result.isEmpty()) {
-				Parser parser = Parser.builder().build();
+				List<Extension> extensions = List.of(TablesExtension.create());
+				Parser parser = Parser.builder().extensions(extensions).build();
 				Node document = parser.parse(result);
-				HtmlRenderer renderer = HtmlRenderer.builder().build();
+				HtmlRenderer renderer = HtmlRenderer.builder().extensions(extensions).build();
 				return renderer.render(document);
 			} else {
 				return null;