fix: spelling mistakes and dead links

Author: dfireBird

src/content/projects/projects.json

@@ -3,7 +3,7 @@
     "name": "Personal Website",
     "description": "Website that serves both as a blog and portfolio. Created using react and gatsby",
     "sourceLink": "https://github.com/dfirebird/dfirebird.github.io",
-    "link": "https://dfirebird.codes"
+    "link": "https://dfirebird.dev"
   },
   {
     "name": "Emourge",

src/pages/index.jsx

@@ -27,7 +27,7 @@ export default () => (
 
       <p>
         When I'm not programming, I pass my time by reading manga or watching
-        shows. I'm interested in reading about Lamba Caculus, Functional
+        shows. I'm interested in reading about Lambda Caculus, Functional
         Programming and Compiler Theory.
       </p>