chore: Add README and document API

README.md

@@ -0,0 +1,94 @@
+# Files download limit
+
+[![Node GitHub Action](https://github.com/nextcloud/files_downloadlimit/workflows/Node/badge.svg)](https://github.com/nextcloud/files_downloadlimit/actions?query=workflow%3ANode)
+[![Lint GitHub Action](https://github.com/nextcloud/files_downloadlimit/workflows/Lint/badge.svg)](https://github.com/nextcloud/files_downloadlimit/actions?query=workflow%3ALint)
+
+This app allows limitng the number of downloads for external link shares.
+
+---
+
+## API
+
+The examples below can be run using [hurl](https://github.com/Orange-OpenSource/hurl).
+
+### External share limit
+
+An external share limit may be queried by its token.
+
+#### Get
+
+```sh
+hurl get.hurl --variable token='2Nyq27RKT7Jw9q3'
+```
+
+> get.hurl
+```hurl
+GET https://nextcloud.local/ocs/v2.php/apps/files_downloadlimit/api/v1/{{token}}/limit
+
+OCS-APIRequest: true
+Accept: application/json
+
+[BasicAuth]
+alice: alice
+```
+
+#### Set
+
+```sh
+hurl set.hurl --variable token='2Nyq27RKT7Jw9q3' --variable limit=5
+```
+
+> set.hurl
+```hurl
+PUT https://nextcloud.local/ocs/v2.php/apps/files_downloadlimit/api/v1/{{token}}/limit
+
+OCS-APIRequest: true
+Accept: application/json
+
+[BasicAuth]
+alice: alice
+
+{
+	"limit": {{limit}}
+}
+```
+
+#### Remove
+
+```sh
+hurl remove.hurl --variable token='2Nyq27RKT7Jw9q3'
+```
+
+> remove.hurl
+```hurl
+DELETE https://nextcloud.local/ocs/v2.php/apps/files_downloadlimit/api/v1/{{token}}/limit
+
+OCS-APIRequest: true
+Accept: application/json
+
+[BasicAuth]
+alice: alice
+```
+
+### Default limit
+
+Admins may set a default limit.
+
+```sh
+hurl set-default.hurl --variable limit=1
+```
+
+> set-default.hurl
+```hurl
+PUT https://nextcloud.local/ocs/v2.php/apps/files_downloadlimit/api/v1/limit
+
+OCS-APIRequest: true
+Accept: application/json
+
+[BasicAuth]
+admin: admin
+
+{
+    "limit": {{limit}}
+}
+```

appinfo/info.xml

@@ -4,7 +4,7 @@
 	<name>Files download limit</name>
 	<summary>File link share download limit</summary>
 
-	<description>Allow to limit the number of downloads for link shares</description>
+	<description>This app allows limitng the number of downloads for external link shares.</description>
 	<version>2.0.0</version>
 	<licence>agpl</licence>
 	<author mail="[email protected]">John Molakvoæ</author>