add UX to add a file, any file.

Frontend/patient_manager/pubspec.lock

@@ -21,10 +21,34 @@ packages:
     dependency: transitive
     description:
       name: app_links
-      sha256: "96e677810b83707ff5e10fac11e4839daa0ea4e0123c35864c092699165eb3db"
+      sha256: a9905d6a60e814503fabc7523a9ed161b812d7ca69c99ad8ceea14279dc4f06b
       url: "https://pub.dev"
     source: hosted
-    version: "6.1.1"
+    version: "6.1.3"
+  app_links_linux:
+    dependency: transitive
+    description:
+      name: app_links_linux
+      sha256: "567139eca3ca9fb113f2082f3aaa75a26f30f0ebdbe5fa7f09a3913c5bebd630"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.2"
+  app_links_platform_interface:
+    dependency: transitive
+    description:
+      name: app_links_platform_interface
+      sha256: "58cff6f11df59b0e514dd5e4a61e988348ad5662f0e75d45d4e214ebea55c94c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  app_links_web:
+    dependency: transitive
+    description:
+      name: app_links_web
+      sha256: "74586ed5f3c4786341e82a0fa43c39ec3f13108a550f74e80d8bf68aa11349d1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
   archive:
     dependency: transitive
     description:
@@ -201,6 +225,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "55d7b444feb71301ef6b8838dbc1ae02e63dd48c8773f3810ff53bb1e2945b32"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.4+1"
   crypto:
     dependency: transitive
     description:
@@ -273,6 +305,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.0"
+  file_picker:
+    dependency: "direct main"
+    description:
+      name: file_picker
+      sha256: "2ca051989f69d1b2ca012b2cf3ccf78c70d40144f0861ff2c063493f7c8c3d45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "8.0.5"
   fixnum:
     dependency: transitive
     description:
@@ -294,6 +334,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.0.3"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      sha256: c6b0b4c05c458e1c01ad9bcc14041dd7b1f6783d487be4386f793f47a8a4d03e
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.20"
   flutter_test:
     dependency: "direct dev"
     description: flutter