Modifying default variables and config

Renamed variables for defaults:
- flatpak_method -> default_flatpak_method: system
- defaults.paths.prefix -> default_install_prefix: /usr/local
New variables:
- default_install_method: package

vars/main.yml

@@ -1,24 +1,22 @@
 # vim: set filetype=yaml.ansible :
 # variables used in ansible_role_package
 ---
-default_install_method: package
+default_flatpak_method: system # possible values are 'system' and 'user'
+default_install_method: package # possible values are 'package', 'source', 'appimage'
+default_install_prefix: /usr/local
 debug: false
 use_local: false
-prefer_method: src
 packages: [] # list of packages to install
 extra_packages: [] # list of extra packages to add to pkg_sys
-go_do_update: true
 
-defaults:
-  path:
-    prefix: "/usr/local"
-    suffix:
-      appimage: "/appimage" # keep appimages here
-      archive: "/archive" # extract archives here
-      bin: "/bin" # installation prefix. Binaries are placed in `{{ install }}/bin`
-      cargo: "/cargo" # cargo install location
-      go: "/go" # GOROOT
-      pipx: "/pipx" # where pipx environments are installed (venvs). They are symlinked to `bin`
+paths:
+  suffix:
+    appimage: "/appimage" # keep appimages in `{{ default_install_prefix }}/appimage`
+    archive: "/archive" # extract archives to `{{ default_install_prefix }}/archive`
+    bin: "/bin" # installation prefix. Binaries are placed in `{{ default_install_prefix }}/bin`
+    cargo: "/cargo" # cargo install location `{{ default_install_prefix }}/cargo`
+    go: "/go" # GOROOT `{{ default_install_prefix }}/go`
+    pipx: "/pipx" # where pipx environments are installed `{{ default_install_prefix }}/pipx`
 
 # paths resolve to either $HOME/.local as the prefix, or /usr/local
 # all created paths are named: