add PoC skelet

flake.nix

@@ -0,0 +1,34 @@
+{
+  description = "A very basic flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+  }: let
+    pkgs = nixpkgs.legacyPackages.x86_64-linux.pkgs;
+  in {
+    nvim = pkgs.mkShell {
+      nativeBuildInputs = [
+        pkgs.alejandra
+        pkgs.ccls
+        pkgs.clang
+        pkgs.luaformatter
+        pkgs.nixd
+        pkgs.nixd
+        pkgs.pyright
+        pkgs.rust-analyzer
+        pkgs.sumneko-lua-language-server
+        pkgs.svls
+        pkgs.texlab
+        pkgs.tree-sitter
+        pkgs.verible
+        pkgs.zls
+        (import ./nvim-lsp.nix {inherit pkgs;})
+      ];
+    };
+  };
+}