feat(ci): create it and add flake

- flake for development and CI purpose

Referenced issue:
* https://github.com/status-im/infra-sites/issues/135

Signed-off-by: markoburcul <marko@status.im>

Jenkinsfile

@@ -0,0 +1,53 @@
+#!/usr/bin/env groovy
+library 'status-jenkins-lib@v1.9.24'
+pipeline {
+  agent {
+    docker {
+      label 'linuxcontainer'
+      image 'harbor.status.im/infra/ci-build-containers:linux-base-1.0.0'
+      args '--volume=/nix:/nix ' +
+           '--volume=/etc/nix:/etc/nix '
+    }
+  }
+  options {
+    disableConcurrentBuilds()
+    buildDiscarder(logRotator(
+      numToKeepStr: '20',
+      daysToKeepStr: '30',
+    ))
+  }
+  environment {
+    GIT_COMMITTER_NAME = 'status-im-auto'
+    GIT_COMMITTER_EMAIL = 'auto@status.im'
+  }
+  stages {
+    stage('Build the web app') {
+      steps {
+        script {
+          nix.develop('pnpm --filter ./apps/web build')
+        }
+      }
+    }
+    stage('Publish') {
+      steps {
+        sshagent(credentials: ['status-im-auto-ssh']) {
+          script {
+            nix.develop("""
+              ghp-import \
+                -b ${deployBranch()} \
+                -c ${deployDomain()} \
+                -p apps/web/out
+            """, sandbox: false,
+                 keepEnv: ['SSH_AUTH_SOCK'])
+          }
+         }
+      }
+    }
+  }
+  post {
+    cleanup { cleanWs() }
+  }
+}
+def isMasterBranch() { GIT_BRANCH ==~ /.*master/ }
+def deployBranch() { isMasterBranch() ? 'deploy-master' : 'deploy-develop' }
+def deployDomain() { isMasterBranch() ? 'logos.co' : 'dev.logos.co' }

flake.lock

@@ -0,0 +1,26 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1780203844,
+        "narHash": "sha256-K5sT4jTpGs15ADhviMKNBH38REpPf5Q6mM1+N6cArVE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b51242d7d43689db2f3be91bd05d5b24fbb469c4",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "ref": "nixos-26.05",
+        "type": "indirect"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,35 @@
+{
+  description = "Nix flake development shell.";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-26.05";
+  };
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      supportedSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+      forEachSystem = nixpkgs.lib.genAttrs supportedSystems;
+      pkgsFor = forEachSystem (system: import nixpkgs { inherit system; });
+    in
+    rec {
+      formatter = forEachSystem (system: pkgsFor.${system}.nixpkgs-fmt);
+
+      devShells = forEachSystem (system: {
+        default = pkgsFor.${system}.mkShellNoCC {
+          packages = with pkgsFor.${system}.buildPackages; [
+            git        # 2.54.0
+            openssh    # 10.3p1
+            pnpm       # 11.4.0
+            nodejs_24  # 24.15.0
+            ghp-import # 2.1.0
+          ];
+        };
+      });
+    };
+}