fix: enable starting the app without backend

Closes #223

flake.nix

@@ -4,22 +4,37 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
     flake-utils.url = "github:numtide/flake-utils";
   };
-  outputs = {
+  outputs =
+    {
       self,
       nixpkgs,
       flake-utils,
-  }: let
+    }:
+    let
       aapt2buildToolsVersion = "33.0.2";
     in
-    flake-utils.lib.eachDefaultSystem (system: let
+    flake-utils.lib.eachDefaultSystem (
+      system:
+      let
         pkgs = import nixpkgs {
           inherit system;
           overlays = [
             (final: prev: rec {
-            fontMin = prev.python311.withPackages (ps: with ps; [brotli fonttools] ++ (with fonttools.optional-dependencies; [woff]));
+              fontMin = prev.python311.withPackages (
+                ps:
+                with ps;
+                [
+                  brotli
+                  fonttools
+                ]
+                ++ (with fonttools.optional-dependencies; [ woff ])
+              );
               android = prev.androidenv.composeAndroidPackages {
-              buildToolsVersions = ["30.0.3" aapt2buildToolsVersion];
-              platformVersions = ["33"];
+                buildToolsVersions = [
+                  "34.0.0"
+                  aapt2buildToolsVersion
+                ];
+                platformVersions = [ "34" ];
               };
               cypress = prev.cypress.overrideAttrs (cyPrev: rec {
                 version = "13.2.0";
@@ -29,6 +44,7 @@
                 };
               });
               nodejs = prev.nodejs_18;
+              corepack = prev.corepack_18;
             })
           ];
           config = {
@@ -46,7 +62,8 @@
             export LD_LIBRARY_PATH=/usr/lib:/usr/lib32
           '';
         };
-    in {
+      in
+      {
         devShell = pkgs.mkShell rec {
           nativeBuildInputs = [ androidFhs ];
           buildInputs = with pkgs; [
@@ -67,5 +84,6 @@
           CYPRESS_INSTALL_BINARY = "0";
           CYPRESS_RUN_BINARY = "${pkgs.cypress}/bin/Cypress";
         };
-    });
+      }
+    );
 }