chore: fix typos

Author: pi0

README.md

@@ -20,15 +20,15 @@ Using `npx`:
 npx ipx serve --dir ./
 ```
 
-Usin `bun`
+Using `bun`
 
 ```bash
 bun x npx ipx serve --dir ./
 ```
 
 The default serve directory is the current working directory.
 
-## Programatic API
+## Programmatic API
 
 You can use IPX as a middleware or directly use IPX interface.
 

src/handlers/handlers.ts

@@ -4,7 +4,7 @@ import {
   VArg as VArgument,
 } from "./utils";
 
-// --------- Context Modifers ---------
+// --------- Context Modifiers ---------
 
 export const quality: Handler = {
   args: [VArgument],

src/server.ts

@@ -54,7 +54,7 @@ export function createIPXH3Handler(ipx: IPX) {
       });
     }
 
-    // Contruct modifiers
+    // Construct modifiers
     const modifiers: Record<string, string> = Object.create(null);
 
     // Read modifiers from first segment