Add Article component

[hxtree]

This pull request adds a new Article component to the project. The Article component allows for the rendering of articles with customizable styles and content.

[codacy-production[bot]]

Coverage summary from Codacy

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Coverage variation	Diff coverage
:white_check_mark: -0.24%	:white_check_mark: 0.00%

Coverage variation details

| | Coverable lines | Covered lines | Coverage | | ------------- | ------------- | ------------- | ------------- | | Common ancestor commit (60f106044dce9b7a5e81cddd1bc2cf4774783bec) | 2261 | 1615 | 71.43% | | | Head commit (954533d0527bca39a3b605419d246f498a26268e) | 2270 (+9) | 1616 (+1) | 71.19% (**-0.24%**) | **Coverage variation** is the difference between the coverage for the head and common ancestor commits of the pull request branch: ` - `

Diff coverage details

| | Coverable lines | Covered lines | Diff coverage | | ------------- | ------------- | ------------- | ------------- | | Pull request (#888) | 9 | 0 | **0.00%** | **Diff coverage** is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: `/ * 100%`

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