feat(env): add template properties

docs/docs/segment-environment.md

@@ -50,3 +50,7 @@ The segment will show when the value of the environment variable isn't empty.
 ```
 
 - var_name: `string` - the name of the environment variable
+
+## Template Properties
+
+- `.Value`: `string` - the value of the environment variable

src/segment_envar.go

@@ -1,9 +1,9 @@
 package main
 
 type envvar struct {
-	props   *properties
-	env     environmentInfo
-	content string
+	props *properties
+	env   environmentInfo
+	Value string
 }
 
 const (
@@ -13,12 +13,12 @@ const (
 
 func (e *envvar) enabled() bool {
 	name := e.props.getString(VarName, "")
-	e.content = e.env.getenv(name)
-	return e.content != ""
+	e.Value = e.env.getenv(name)
+	return e.Value != ""
 }
 
 func (e *envvar) string() string {
-	return e.content
+	return e.Value
 }
 
 func (e *envvar) init(props *properties, env environmentInfo) {

themes/schema.json

@@ -447,6 +447,9 @@
             "properties": {
               "properties": {
                 "properties": {
+                  "template": {
+                    "$ref": "#/definitions/template"
+                  },
                   "var_name": {
                     "type": "string",
                     "title": "Variable Name",