Use @noSelfInFile in landing code example

Author: ark120202

assets/layout/landing.html

@@ -25,9 +25,10 @@
             <!-- prettier-ignore -->
             <div class="example-item" id="ts-declarations"><b>// TS Declarations</b>
 
+/** <a href="https://github.com/TypeScriptToLua/TypeScriptToLua/wiki/Functions-and-the-%60self%60-Parameter#noselfinfile" target="_blank">@noSelfInFile</a> */
 type Vector = [number, number, number];
 
-declare function findUnits(this: void, center: Vector, radius: number): Unit[];
+declare function findUnitsInRadius(center: Vector, radius: number): Unit[];
 declare interface Unit {
     isEnemy(other: Unit): boolean;
     kill(): void;
@@ -36,7 +37,7 @@
             <div class="example-item" id="ts-source"><b>// TS Source</b>
 
 function onAbilityCast(this: void, caster: Unit, targetLocation: Vector) {
-    const units = findUnits(targetLocation, 500);
+    const units = findUnitsInRadius(targetLocation, 500);
     const enemies = units.filter(unit => caster.isEnemy(unit));
 
     for (const enemy of enemies) {
@@ -48,7 +49,7 @@
         <div class="example-item" id="lua"><b>-- Lua Output</b>
 
 function onAbilityCast(caster, targetLocation)
-    local units = findUnits(targetLocation, 500)
+    local units = findUnitsInRadius(targetLocation, 500)
     local enemies = __TS__ArrayFilter(units, function(____, unit) return caster:isEnemy(unit) end)
     for ____, enemy in ipairs(enemies) do
         enemy:kill()