replace: swap prosappweb content for prosapp_web_app (more complete version)

prosapp_web_app has chat, dashboard, calendar, support, 13 providers and
Fluro URL routing. Keep Dockerfile + nginx.conf from previous prosappweb.
Upgrade google_fonts 6.2.1 → 8.1.0 (Dart 3.12 compat fix).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/ui/buttons/custom_outlined_button.dart

@@ -0,0 +1,46 @@
+import 'package:flutter/material.dart';
+
+class CustomOutlinedButton extends StatelessWidget {
+  final Function onPressed;
+  final String text;
+  final Color color;
+  final bool isFilled;
+
+  const CustomOutlinedButton({
+    super.key,
+    required this.onPressed,
+    required this.text,
+    this.color = Colors.blue,
+    this.isFilled = false,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    return OutlinedButton(
+      style: ButtonStyle(
+        shape: WidgetStateProperty.all(
+          RoundedRectangleBorder(
+            borderRadius: BorderRadius.circular(30),
+          ),
+        ),
+        side: WidgetStateProperty.all(
+          BorderSide(color: color),
+        ),
+        backgroundColor: WidgetStateProperty.all(
+          isFilled ? color.withOpacity(0.3) : Colors.transparent,
+        ),
+      ),
+      onPressed: () => onPressed(),
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
+        child: Text(
+          text,
+          style: const TextStyle(
+            fontSize: 16,
+            color: Colors.blue,
+          ),
+        ),
+      ),
+    );
+  }
+}

lib/ui/buttons/link_text.dart

@@ -0,0 +1,40 @@
+import 'package:flutter/material.dart';
+
+class LinkText extends StatefulWidget {
+  final String text;
+  final Function()? onPressed;
+
+  const LinkText({super.key, required this.text, this.onPressed});
+
+  @override
+  State<LinkText> createState() => _LinkTextState();
+}
+
+class _LinkTextState extends State<LinkText> {
+  bool isHover = false;
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: () {
+        if (widget.onPressed != null) widget.onPressed!();
+      },
+      child: MouseRegion(
+        cursor: SystemMouseCursors.click,
+        onEnter: (_) => setState(() => isHover = true),
+        onExit: (_) => setState(() => isHover = false),
+        child: Container(
+          margin: const EdgeInsets.symmetric(vertical: 5, horizontal: 10),
+          child: Text(
+            widget.text,
+            style: TextStyle(
+              fontSize: 16,
+              color: Colors.grey[700],
+              decoration: isHover ? TextDecoration.underline : null,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}