moved overlays to own folder

made environments folder

overlays/intellij.nix

@@ -0,0 +1,19 @@
+{ ... }:
+{
+  nixpkgs.overlays = [
+    (self: super: {
+      # idea is too out of date for android gradle things
+      jetbrains = {
+        jdk = super.jdk17;
+        idea-community = super.jetbrains.idea-community.overrideAttrs (oldAttrs: rec {
+          version = "2023.3.3";
+          name = "idea-community-${version}";
+          src = super.fetchurl {
+            sha256 = "sha256-3BI97Tx+3onnzT1NXkb62pa4dj9kjNDNvFt9biYgP9I=";
+            url = "https://download.jetbrains.com/idea/ideaIC-${version}.tar.gz";
+          };
+        });
+      };
+    })
+  ];
+}

overlays/vscodium.nix

@@ -0,0 +1,15 @@
+{ ... }:
+{
+  nixpkgs.overlays = [
+    (self: super: {
+      # ui is broken on 1.84
+      vscodium = super.vscodium.overrideAttrs (oldAttrs: rec {
+        version = "1.85.2.24019";
+        src = super.fetchurl {
+          sha256 = "sha256-OBGFXOSN+Oq9uj/5O6tF0Kp7rxTY1AzNbhLK8G+EqVk=";
+          url = "https://github.com/VSCodium/vscodium/releases/download/${version}/VSCodium-linux-x64-${version}.tar.gz";
+        };
+      });
+    })
+  ];
+}