added MV_LINE

content/docs/macros/MV_LINE.md

@@ -0,0 +1,22 @@
+---
+weight: 100
+title: "MV_LINE"
+description: "Get current line"
+icon: "code_blocks"
+date: "2025-05-01T18:47:58-05:00"
+lastmod: "2025-05-01T18:47:58-05:00"
+---
+
+`declare MV_LINE: number`
+
+will be replaced with a number constant representing the current line.
+
+{{% alert context="info" text="**Note**: `LPH_LINE` is an available alias." /%}}
+
+## Valid Usage
+
+```lua
+local a = MV_LINE
+print(a, MV_LINE)
+```
+> prints `1 2`