Add API Token Documentation

docs/docs/api/routes/api-tokens.md

@@ -0,0 +1,67 @@
+# API Token Management
+
+These endpoints relate to managing a users created API Tokens.
+These tokens are likely to be generated from an OAuth2 integration, but in the future users may be able to create their own API Keys manually.
+
+!!! note
+	All of the below endpoints require [Self Key](../auth.md) level authentication. You cannot interact with these endpoints with Bearer auth.
+
+*****
+
+## Retrieve all API Tokens
+
+`GET /api/v1/users/:userID/api-tokens`
+
+### Parameters
+
+None.
+
+### Response
+
+| Property | Type | Description |
+| :: | :: | :: |
+| `<body>` | APIKeyDocument | An array of APIKeyDocuments that belong to this user. |
+
+### Example
+
+#### Request
+```
+GET /api/v1/users/1/api-tokens
+```
+
+#### Response
+```json
+[{
+	"identifier": "Fervidex Token",
+	"token": "foobar",
+	"permissions": {"submit_score": true},
+	"userID": 1,
+	"fromOAuth2Client": "FERVIDEX_OA2_CLIENT_ID"
+}]
+```
+
+*****
+
+## Delete a specific token.
+
+`DELETE /api/v1/users/:userID/api-token/:token`
+
+### Parameters
+
+None.
+
+### Response
+
+Empty Object.
+
+### Example
+
+#### Request
+```
+DELETE /api/v1/users/1/api-token/foobar
+```
+
+#### Response
+```json
+{}
+```