feat: update fennel and luajit origins to alex-lib

flake.lock

@@ -1,5 +1,47 @@
 {
   "nodes": {
+    "alex-lib": {
+      "inputs": {
+        "alex-utils": "alex-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1769444523,
+        "narHash": "sha256-V3XO/kz0HiC0Y3SRF7L00/wIuHbZgW0scMMRmla3+Gc=",
+        "ref": "refs/heads/main",
+        "rev": "9aa030a1b1a9b372aec7d473ebeb34fdee4b637e",
+        "revCount": 27,
+        "type": "git",
+        "url": "https://git.sr.ht/~sposito/Alexandria"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.sr.ht/~sposito/Alexandria"
+      }
+    },
+    "alex-utils": {
+      "inputs": {
+        "nixpkgs": [
+          "alex-lib",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1768599245,
+        "narHash": "sha256-ooS9LXab+NLlNQlY3CNQqL/DdXIPTaF8gpphFOdbyfM=",
+        "ref": "refs/heads/main",
+        "rev": "e77ca47ba7ce0bbbb142b00a0318884a20b78f29",
+        "revCount": 27,
+        "type": "git",
+        "url": "https://git.sr.ht/~sposito/alex-utils"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://git.sr.ht/~sposito/alex-utils"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": [
@@ -189,6 +231,7 @@
     },
     "root": {
       "inputs": {
+        "alex-lib": "alex-lib",
         "home-manager": "home-manager",
         "icons": "icons",
         "nixpkgs": "nixpkgs",