Update .gitignore and comment out packages in pom.xml

- Uncomment package.json in .gitignore
- Comment out packages section in pom.xml
- Add explicit package.json

.gitignore

@@ -18,6 +18,6 @@ src/ant/.ant-targets-upload-dist.xml
 node_modules
 node/
 package-lock.json
-package.json
+# package.json
 build/
 .vscode/

package.json

@@ -0,0 +1,11 @@
+{
+    "dependencies": {
+      "antora": "3.2.0-alpha.6",
+      "@antora/atlas-extension": "1.0.0-alpha.2",
+      "@antora/collector-extension": "1.0.0-beta.1",
+      "@asciidoctor/tabs": "1.0.0-beta.6",
+      "@springio/antora-extensions": "1.14.2",
+      "@springio/asciidoctor-extensions": "1.0.0-alpha.12",
+      "@djencks/asciidoctor-mathjax": "0.0.9"
+    }
+  }

pom.xml

@@ -39,14 +39,14 @@
 						<option>--stacktrace</option>
 						<option>--fetch</option>
 					</options>					
-					<packages>
+					<!-- <packages>
 						<package>@antora/atlas-extension@1.0.0-alpha.2</package>
 						<package>@antora/collector-extension@1.0.0-beta.1</package>
 						<package>@asciidoctor/tabs@1.0.0-beta.6</package>
 						<package>@springio/antora-extensions@1.14.2</package>
 						<package>@springio/asciidoctor-extensions@1.0.0-alpha.12</package>
 						<package>@djencks/asciidoctor-mathjax@0.0.9</package>
-					</packages>
+					</packages> -->
 				</configuration>
 			</plugin>
 		</plugins>