Add distribution descriptor

src/assets/distributionExample1.json

...escriptorDistribution/OcDescriptorDistribution.stories.ts

...ors/OcDescriptorDistribution/OcDescriptorDistribution.vue

src/declarations.ts

src/locales/en.ts

src/locales/fr.ts

src/modelMetadata/distribution.ts

src/modelMetadata/resource.ts

src/pages/community/[community]/[resource]/[identifier].vue

src/sparql/distribution.ts

src/sparql/tree.ts