config: Move `external-crates` from `topics` to `practices`
(FKA `external_crates` or `crates`)
"slug": "gigasecond",
"name": "Gigasecond",
"uuid": "f880b1ef-8f66-41f3-bb89-f39a4ed592a2",
- "practices": [],
+ "practices": [
+ "external-crates"
+ ],
"prerequisites": [],
"difficulty": 1,
- "topics": [
- "crates"
- ]
+ "topics": []
},
{
"slug": "clock",
"name": "Alphametics",
"uuid": "7450bd80-2388-42ac-a61f-097e82581475",
"practices": [
+ "external-crates",
"strings"
],
"prerequisites": [],
"difficulty": 4,
"topics": [
"combinations",
- "external_crates",
"parsing"
]
},
"slug": "decimal",
"name": "Decimal",
"uuid": "7cefed7c-37f4-46c5-9a45-68fe4d0fb326",
- "practices": [],
+ "practices": [
+ "external-crates"
+ ],
"prerequisites": [],
"difficulty": 7,
"topics": [
"bigint",
- "external_crates",
"parsing",
"strings",
"structs",
