mass rename to avoid clashes with core tap

Forgot that base formula names need to be unique, otherwise `brew upgrade` picks up the core tap formula over this replacement, leading to:
```
$ brew upgrade
[...]
==> Upgrading sshfs 2.10_2 -> 3.7.1
Error: sshfs has been disabled because it requires FUSE!
```

Formula/avfs-mac.rb

@@ -0,0 +1,40 @@
+require_relative "../require/macfuse"
+
+class AvfsMac < Formula
+  desc "Virtual file system that facilitates looking inside archives"
+  homepage "https://avf.sourceforge.io/"
+  url "https://downloads.sourceforge.net/project/avf/avfs/1.1.4/avfs-1.1.4.tar.bz2"
+  sha256 "3a7981af8557f864ae10d4b204c29969588fdb526e117456e8efd54bf8faa12b"
+
+  bottle do
+    root_url "https://github.com/gromgit/homebrew-fuse/releases/download/avfs-mac-1.1.4"
+    sha256 big_sur:  "330fbd827479a4f6f0e5f218a5b711f2693bbfd92f17735fd5057100205abaca"
+    sha256 catalina: "bcce73a08b09330cf8814b03f5fe5836e46c823c33d07829fba0f865b7fda35e"
+    sha256 mojave:   "b10aca4aedca598335f6bc8e20c349559761a485a4bdfcc2bbcd56158b663dc5"
+  end
+
+  depends_on "pkg-config" => :build
+  depends_on MacfuseRequirement
+  depends_on :macos
+  depends_on "openssl@1.1"
+  depends_on "xz"
+
+  def install
+    args = %W[
+      --prefix=#{prefix}
+      --disable-debug
+      --disable-dependency-tracking
+      --disable-silent-rules
+      --enable-fuse
+      --enable-library
+      --with-ssl=#{Formula["openssl@1.1"].opt_prefix}
+    ]
+
+    system "./configure", *args
+    system "make", "install"
+  end
+
+  test do
+    system bin/"avfsd", "--version"
+  end
+end