Move away from numtide

Get rid of the numtide shell, as it doesn't have any good support for
shellHook. Also, directly create the pre-commit check so that we can
leverage its resulting bits in the packages.

We now will have acces to things like pre-commit-config.yaml in the
folder structure

flake.lock

@@ -1,23 +1,5 @@
 {
   "nodes": {
-    "devshell": {
-      "inputs": {
-        "nixpkgs": "nixpkgs"
-      },
-      "locked": {
-        "lastModified": 1728330715,
-        "narHash": "sha256-xRJ2nPOXb//u1jaBnDP56M7v5ldavjbtR6lfGqSvcKg=",
-        "owner": "numtide",
-        "repo": "devshell",
-        "rev": "dd6b80932022cea34a019e2bb32f6fa9e494dfef",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "devshell",
-        "type": "github"
-      }
-    },
     "flake-compat": {
       "flake": false,
       "locked": {
@@ -92,7 +74,7 @@
       "inputs": {
         "flake-compat": "flake-compat",
         "gitignore": "gitignore",
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs",
         "nixpkgs-stable": "nixpkgs-stable"
       },
       "locked": {
@@ -111,7 +93,7 @@
     },
     "naersk": {
       "inputs": {
-        "nixpkgs": "nixpkgs_3"
+        "nixpkgs": "nixpkgs_2"
       },
       "locked": {
         "lastModified": 1721727458,
@@ -129,11 +111,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1722073938,
-        "narHash": "sha256-OpX0StkL8vpXyWOGUD6G+MA26wAXK6SpT94kLJXo6B4=",
+        "lastModified": 1719082008,
+        "narHash": "sha256-jHJSUH619zBQ6WdC21fFAlDxHErKVDJ5fpN0Hgx4sjs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "e36e9f57337d0ff0cf77aceb58af4c805472bfae",
+        "rev": "9693852a2070b398ee123a329e68f0dab5526681",
         "type": "github"
       },
       "original": {
@@ -172,22 +154,6 @@
       }
     },
     "nixpkgs_2": {
-      "locked": {
-        "lastModified": 1719082008,
-        "narHash": "sha256-jHJSUH619zBQ6WdC21fFAlDxHErKVDJ5fpN0Hgx4sjs=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "9693852a2070b398ee123a329e68f0dab5526681",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "nixpkgs_3": {
       "locked": {
         "lastModified": 0,
         "narHash": "sha256-HP89HZOT0ReIbI7IJZJQoJgxvB2Tn28V6XS3MNKnfLs=",
@@ -199,7 +165,7 @@
         "type": "indirect"
       }
     },
-    "nixpkgs_4": {
+    "nixpkgs_3": {
       "locked": {
         "lastModified": 1728538411,
         "narHash": "sha256-f0SBJz1eZ2yOuKUr5CA9BHULGXVSn6miBuUWdTyhUhU=",
@@ -217,12 +183,11 @@
     },
     "root": {
       "inputs": {
-        "devshell": "devshell",
         "flake-parts": "flake-parts",
         "flake-root": "flake-root",
         "hooks": "hooks",
         "naersk": "naersk",
-        "nixpkgs": "nixpkgs_4"
+        "nixpkgs": "nixpkgs_3"
       }
     }
   },