create alert service

Frontend/lib/mih_apis/mih_alert_services.dart

@@ -0,0 +1,58 @@
+import 'package:flutter/material.dart';
+import 'package:mzansi_innovation_hub/main.dart';
+import 'package:mzansi_innovation_hub/mih_components/mih_package_components/mih_package_alert.dart';
+
+class MihAlertServices {
+  void formNotFilledCompletely(BuildContext context) {
+    showDialog(
+      context: context,
+      builder: (context) {
+        return MihPackageAlert(
+          alertIcon: Icon(
+            Icons.warning_amber_rounded,
+            size: 150,
+            color: MzanziInnovationHub.of(context)!.theme.errorColor(),
+          ),
+          alertTitle: "Oops! Looks like some fields are missing.",
+          alertBody: Column(
+            children: [
+              Text(
+                "We noticed that some required fields are still empty. To ensure your request is processed smoothly, please fill out all the highlighted fields before submitting the form again.",
+                style: TextStyle(
+                  color:
+                      MzanziInnovationHub.of(context)!.theme.secondaryColor(),
+                  fontSize: 15,
+                  fontWeight: FontWeight.bold,
+                ),
+              ),
+              const SizedBox(height: 25),
+              RichText(
+                text: TextSpan(
+                  style: TextStyle(
+                    color:
+                        MzanziInnovationHub.of(context)!.theme.secondaryColor(),
+                    fontSize: 15,
+                    fontWeight: FontWeight.bold,
+                  ),
+                  children: <TextSpan>[
+                    TextSpan(
+                        text: "Here's a quick tip: ",
+                        style: TextStyle(
+                            fontStyle: FontStyle.italic,
+                            color: MzanziInnovationHub.of(context)!
+                                .theme
+                                .errorColor())),
+                    const TextSpan(
+                        text:
+                            "Look for fields without the \"(Optional)\" indicator next to them, as these are mandatory."),
+                  ],
+                ),
+              ),
+            ],
+          ),
+          alertColour: MzanziInnovationHub.of(context)!.theme.errorColor(),
+        );
+      },
+    );
+  }
+}