Renaming models to datamodel

I over use this package name, it's going to create all kinds of conflicts in my apps, so this name is going to be slightly different.

datamodel/spec.go

@@ -0,0 +1,35 @@
+package datamodel
+
+import (
+    "gopkg.in/yaml.v3"
+    "time"
+)
+
+// SpecInfo represents information about a supplied specification.
+type SpecInfo struct {
+    SpecType           string                  `json:"type"`
+    Version            string                  `json:"version"`
+    SpecFormat         string                  `json:"format"`
+    SpecFileType       string                  `json:"fileType"`
+    RootNode           *yaml.Node              `json:"-"`     // reference to the root node of the spec.
+    SpecBytes          *[]byte                 `json:"bytes"` // the original bytes
+    SpecJSONBytes      *[]byte                 `json:"-"`     // original bytes converted to JSON
+    SpecJSON           *map[string]interface{} `json:"-"`     // standard JSON map of original bytes
+    Error              error                   `json:"-"`     // something go wrong?
+    APISchema          string                  `json:"-"`     // API Schema for supplied spec type (2 or 3)
+    Generated          time.Time               `json:"-"`
+    jsonParsingChannel chan bool
+}
+
+// SearchResult represents the position of a result in a specification.
+type SearchResult struct {
+    Key  string `json:"key"`
+    Line int    `json:"line"`
+    Col  int    `json:"col"`
+}
+
+// GetJSONParsingChannel returns a channel that will close once async JSON parsing is completed.
+// This is required as rules may start executing before we're even done reading in the spec to JSON.
+func (si SpecInfo) GetJSONParsingChannel() chan bool {
+    return si.jsonParsingChannel
+}