Add autocomplete to attributes with known values inside `pom.xml`

[gian1200]

Suggestion

Add autocomplete to known attribute values inside pom.xml

Use Cases

• "phase": E.g. project.build.plugins[].plugin.executions[].execution.phase

Examples

To suggest the list of phases at project.build.plugins[].plugin.executions[].execution.phase:

• validate
• initialize
• generate-sources
• process-sources
• generate-resources
• process-resources
• compile
• process-classes
• generate-test-sources
• process-test-sources
• generate-test-resources
• process-test-resources
• test-compile
• test
• prepare-package
• package
• pre-integration-test
• integration-test
• post-integration-test
• verify
• install
• deploy