Add template for minimal image and update tutorial (#7461)

images/linux/toolsets/toolset-2004.json

@@ -133,13 +133,24 @@
         }
     ],
     "apt": {
+        "vital_packages": [
+            "bzip2",
+            "curl",
+            "g++",
+            "gcc",
+            "make",
+            "jq",
+            "tar",
+            "unzip",
+            "wget"
+        ],
         "common_packages": [
             "autoconf",
             "automake",
-            "build-essential",
             "dbus",
             "dnsutils",
             "dpkg",
+            "dpkg-dev",
             "fakeroot",
             "fonts-noto-color-emoji",
             "gnupg2",
@@ -149,6 +160,7 @@
             "lib32z1",
             "libc++abi-dev",
             "libc++-dev",
+            "libc6-dev",
             "libcurl4",
             "libgbm-dev",
             "libgconf-2-4",
@@ -171,7 +183,6 @@
             "pkg-config",
             "python-is-python3",
             "rpm",
-            "tar",
             "texinfo",
             "tk",
             "tzdata",
@@ -187,14 +198,11 @@
             "binutils",
             "bison",
             "brotli",
-            "bzip2",
             "coreutils",
-            "curl",
             "file",
             "flex",
             "ftp",
             "haveged",
-            "jq",
             "m4",
             "mediainfo",
             "netcat",
@@ -215,8 +223,6 @@
             "swig",
             "telnet",
             "time",
-            "unzip",
-            "wget",
             "zip"
         ]
     },