Adds research-dataset-schema and testing data

This adds a new schema that aims to model a generic research dataset.
A (supposedly) valid json data document is added, as well as an invalid
document, for testing purposes. The makefile is updated to add testing
and document / output generation for the new schema.

Makefile

@@ -21,7 +21,8 @@ build/context.jsonld: src/linkml/ontology.yaml
 		--mergeimports \
 		$< > $@
 
-build/linkml-docs: build/linkml-docs/ontology build/linkml-docs/data-access-schema
+build/linkml-docs: build/linkml-docs/ontology build/linkml-docs/data-access-schema \
+	build/linkml-docs/research-dataset-schema
 build/linkml-docs/%: src/linkml/%.yaml src/extra-docs/%
 	gen-doc \
 		--mergeimports \
@@ -45,7 +46,8 @@ build/mkdocs-site: build/linkml-docs src/extra-docs/*.md
 # add additional schemas to lint here
 check: \
 	check-data-access-schema \
-	check-ontology
+	check-ontology \
+	check-research-dataset-schema
 check-%: src/linkml/%.yaml
 	@echo [Check $<]
 	@echo "Run linter"
@@ -75,7 +77,8 @@ check-%: src/linkml/%.yaml
 # naming schema <class>-<example-name>.yaml to be
 # usable as documentation examples for `gen-doc`
 validate-examples: \
-	validate-examples-data-access-schema
+	validate-examples-data-access-schema \
+	validate-examples-research-dataset-schema
 validate-examples-%:
 	$(MAKE) validate-valid-examples-$* validate-invalid-examples-$*
 validate-valid-examples-%: src/linkml/%.yaml src/examples/%

src/counter-examples/research-dataset-schema/ResearchDataset-missing_fields.json

@@ -0,0 +1,5 @@
+{
+    "license": "https://creativecommons.org/publicdomain/zero/1.0/",
+    "homepage": "https://github.com/allisonhorst/palmerpenguins",
+    "title": "Palmer Penguins"
+}

src/examples/research-dataset-schema/ResearchDataset-penguins.json

@@ -0,0 +1,97 @@
+{
+    "license": "https://creativecommons.org/publicdomain/zero/1.0/",
+    "homepage": "https://github.com/allisonhorst/palmerpenguins",
+    "name": "penguins",
+    "title": "Palmer Penguins",
+    "doi": "https://doi.org/10.5281/zenodo.3960218",
+    "version": "0.1.0",
+    "date_modified": "2020-07-16",
+    "description": "The goal of palmerpenguins is to provide a great dataset for data exploration and visualization, as an alternative to iris. Data were collected and made available by Dr. Kristen Gorman and the Palmer Station, Antarctica LTER, a member of the Long Term Ecological Research Network.",
+    "data_controller": {
+        "email": "[email protected]",
+        "name": "Allison Horst"
+    },
+    "keywords": [
+        "penguins",
+        "sea ice",
+        "foraging",
+        "ecological niches",
+        "islands",
+        "antarctica",
+        "animal sexual behavior",
+        "isotopes"
+    ],
+    "has_part": [
+        {
+            "checksum_md5": "e7e2be6b203a221949f05e02fcefd853",
+            "content_url": "https://portal.edirepository.org/nis/dataviewer?packageid=knb-lter-pal.219.3&entityid=002f3893385f710df69eeebe893144ff",
+            "path_posix": "raw/adelie.csv",
+            "size_in_bytes": 23755
+        },
+        {
+            "checksum_md5": "1549566fb97afa879dc9446edcf2015f",
+            "content_url": "https://portal.edirepository.org/nis/dataviewer?packageid=knb-lter-pal.220.3&entityid=e03b43c924f226486f2f0ab6709d2381",
+            "path_posix": "raw/gentoo.csv",
+            "size_in_bytes": 11263
+        },
+        {
+            "checksum_md5": "e4b0710c69297031d63866ce8b888f25",
+            "content_url": "https://portal.edirepository.org/nis/dataviewer?packageid=knb-lter-pal.221.2&entityid=fe853aa8f7a59aa84cdd3197619ef462",
+            "path_posix": "raw/chinstrap.csv",
+            "size_in_bytes": 18872
+        }
+    ],
+    "author": [
+        {
+            "author_type": "Person",
+            "orcid": "0000-0002-6047-5564",
+            "affiliation": [
+                "UC Santa Barbara: Santa Barbara, CA, US"
+            ],
+            "email": "[email protected]",
+            "name": "Allison Horst"
+        },
+        {
+            "author_type": "Person",
+            "orcid": "0000-0002-8082-1890",
+            "affiliation": [
+                "RStudio: Boston, MA, US"
+            ],
+            "email": "[email protected]",
+            "name": "Alison Hill"
+        },
+        {
+            "author_type": "Person",
+            "orcid": "0000-0002-0258-9264",
+            "affiliation": [
+                "University of Alaska Fairbanks: Fairbanks, AK, US"
+            ],
+            "email": "[email protected]",
+            "name": "Kristen Gorman"
+        }
+    ],
+    "publication": [
+        {
+            "citation": "Gorman KB, Williams TD, Fraser WR (2014) Ecological Sexual Dimorphism and Environmental Variability within a Community of Antarctic Penguins (Genus Pygoscelis). PLoS ONE 9(3): e90081.",
+            "date_published": "2014-03-05",
+            "doi": "https://doi.org/10.1371/journal.pone.0090081"
+        }
+    ],
+    "funding": [
+        {
+            "funder": "NSF-OPP",
+            "identifier": "#0217282",
+            "url": "https://www.nsf.gov/awardsearch/showAward?AWD_ID=0217282&HistoricalAwards=false"
+        },
+        {
+            "funder": "NSF-OPP",
+            "identifier": "#0823101",
+            "url": "https://www.nsf.gov/awardsearch/showAward?AWD_ID=0823101&HistoricalAwards=false"
+        },
+        {
+            "funder": "NSF-OPP",
+            "identifier": "#0741351",
+            "url": "https://www.nsf.gov/awardsearch/showAward?AWD_ID=0741351&HistoricalAwards=false"
+        }
+    ]
+}