Generate json file compatible with "FSF License Metadata API"

In order to make your data more reusable, please generate the file shown in the title.

"FSF License Metadata API" is defined in the following site.
It is a convenient data format that can be reused.
https://wking.github.io/fsf-api/licenses-full.json

That data format can associate the license identifiers with the catalog name and "tags".
For example,
```
{"licenses":{
"apsl2": { /* fileName of choosealicense.com/_licenses/apsl2.txt */
"name": "Apple Public Source License",
"identifiers": {
"spdx": ["APSL-2.0"],
"OSI" : ["Apple Public Source License"],
"FSF" : ["FSF/apsl"]
]
},
"tags": [
"libre" /* FSF information*/,
"patent-use" /* choosealicense information */
]
}
}
```
Please have a look at the data I made for a trial.
https://github.com/reversi-fun/license_doc_similality1/blob/master/config/choosealicense-attrs.json

From this json data and the similarity of the license text, you can deduce the characteristics of the unknown license.

For example, SPDX / ODC-by-1.0 is not included in choosealicense, but it can be inferred that it has characteristics similar to SPDX / ODbl-1.0.

Please look at the attached figure.
https://github.com/reversi-fun/license_doc_similality1/blob/master/data/lic_graph.sfdp.svg