definitions: Implement GSP-86 Add CreateLink

.gitignore

@@ -19,4 +19,8 @@ bin/
 release/
 coverage/
 coverage.*
-tests/*.yaml
+tests/*.yaml
+
+# Jetbrain IDE
+.idea
+*.iml

definitions/fields.toml

@@ -69,3 +69,6 @@ type = "string"
 
 [w]
 type = "io.Writer"
+
+[target]
+type = "string"

definitions/operations.toml

@@ -286,3 +286,18 @@ will write data into a file.
   - Service that doesn't have native support for `overwrite` SHOULD check and delete the object if exists.
 - A successful write operation SHOULD be complete, which means the object's content and metadata should be the same as specified in write request.
 """
+
+[linker]
+description = "is the interface for link"
+
+[linker.op.create_link]
+params = ["path", "target"]
+results = ["o"]
+description = """
+Will create a link object.
+
+# Behavior
+
+- CreateLink COULD implement virtual_link feature when service without native support.
+  - Users SHOULD enable this feature by themselves
+"""