Add part of the packaging section

Fix meson.build project version requirement to suppress warnings.
Rename the application ID for consistency.

com.example.first_application.json

@@ -1,36 +1,21 @@
 {
     "app-id": "com.example.first_application",
     "runtime": "org.gnome.Platform",
-    "runtime-version": "master",
+    "runtime-version": "3.30",
     "sdk": "org.gnome.Sdk",
     "command": "your-first-application",
     "finish-args": [
         "--socket=wayland"
     ],
-    "build-options": {
-        "env": {
-            "V": "1"
-        }
-    },
-    "cleanup": [
-        "/lib/pkgconfig",
-        "/man",
-        "/share/doc",
-        "/share/gtk-doc",
-        "/share/man",
-        "/share/pkgconfig"
-    ],
     "modules": [
         {
-            "name": "first-application",
+            "name": "first_application",
             "buildsystem": "meson",
             "builddir": true,
-            "subdir": "First_Application",
             "sources": [
                 {
-                    "branch": "master",
-                    "type": "git",
-                    "url": "https://source.puri.sm/david.boddie/tutorials.git"
+                    "type": "dir",
+                    "path": "."
                 }
             ]
         }

meson.build

@@ -1,6 +1,6 @@
 project('first-application',
   version: '0.1.0',
-  meson_version: '>= 0.40.0',
+  meson_version: '>= 0.48.0',
 )
 
 subdir('data')